Must-See Celeb Sightings: October 7-13, 2019

RiRi was the definition of fierceness in a white latex tube dress, a matching handbag and sandals and plenty of diamonds as she arrived at PlayStation Theater in NYC's Times Square on Oct. 13.

Happy Thor! The Avengers: Endgame star hit the stage at ACE Comic Con on Oct. 13.

The Chilling Adventures of Sabrina stars fist-bumped on stage during the same Comic Con fest in Rosemont, Illinois.

Lovely leading ladies! The stars of The Morning Show posed for pics at a Los Angeles press day for their new Apple TV+ show on Oct. 13.

The powerful ladies came together for the 2nd Annual Girl Up #GirlHero Awards in Beverly Hills on Oct. 13.

Good as hell on stage! The "Juice" singer rapped her heart out on the third day of Texas' Austin City Limits Music Festival.

The "Slide Away" singer went on a shopping spree with her mom, Tish Cyrus (not pictured), at the Sherman Oaks Fashion Square Mall in L.A. on Oct. 13.

The trio posed for pics at a special screening of Bombshell in West Hollywood on Oct. 13.

The One Tree Hill alum looked sleek in an all-black ensemble while out in Los Angeles on Oct. 13. 

The "New Light" singer was feeling all the vibes during his concert at the O2 Arena in London on Oct. 13.

The Johnsons take Manhattan! The Black-ish stars attended a screening of their ABC hit during PaleyFest New York 2019 on Oct. 13.

The "Shameless" singer posed with fans before heading into the Saturday Night Live after-party in New York City in the wee morning hours of Oct. 13.

The MCU ladies and real-life pals couldn't stop laughing as they hit the stage at ACE Comic Con Midwest on Oct. 12.

The "Bad Guy" singer paused for a moment during her Austin City Limits Festival set in the Texas capital on Oct. 12.

The sweet couple kept close together at the 5th Adopt Together Baby Ball Gala in L.A. on Oct. 12.

Can you hear the excitement? The 40-year-old actor got fans pumped up at the El Camino: A Breaking Bad Movie screening during the 2019 Sitges Film Festival in Spain on Oct. 12.

The actors took part in a Zombieland: Double Tap panel and surprise screening at L.A. Comic Con on Oct. 12.

The country music icon celebrated her 50-year anniversary with the Grand Ole Opry at the famed Nashville venue on Oct. 12.

The two actors were photographed filming a scene for their new movie, Marry Me, in New York City on Oct. 12.

The "Needed Me" singer was a total knockout in a cheetah-print dress while arriving to the launch of her upcoming visual autobiography, Rihanna, in New York City on Oct. 11.

The Riverdale star threw back her head in laughter at the Tiffany & Co.'s Men's collection launch in Hollywood on Oct. 11.

The Us director was joined by his wife and the prolific producer at the Hammer Museum's 17th Annual Gala in the Garden in L.A. on Oct. 12.

The "Never Really Over" songstress was a polka dot princess as she performed at the David Lynch Foundation's Silence the Violence benefit at The Anthem in Washington, D.C., on Oct. 11.

The Friends star made a stylish entrance into Variety's annual Power of Women: Los Angeles event, presented by Lifetime at the Beverly Wilshire Four Seasons in Beverly Hills on Oct. 11.

The brunette beauty donned a very '90s outfit when she headed out in New York City on Oct. 11.

The "IDGAF" singer got animated onstage during a talk with Amanda Petrusich at the 2019 New Yorker Festival in NYC on Oct. 11.

The Politician stars got cozy at ELLE and Ferragamo's Hollywood Rising Celebration in West Hollywood on Oct. 11.

RiRi looked like a total boss lady as she made her way through JFK Airport in Queens, New York, on Oct. 11.

Sin City sensations! The cute couple looked more in love than ever at CLUB JBL during the 3rd annual JBL Fest at the Aria Resort & Casino in Las Vegas on Oct. 10.

The pregnant actress gleefully showed off her burgeoning belly at Amazon's Museum of Modern Love in New York City on Oct. 10.

Everything's coming up roses! The Shameless star put her best foot forward as she arrived at the same pop-up.

The co-stars were back together once more at the premiere of Zombieland: Double Tap in Los Angeles on Oct. 10.

The "Push" rapper gave Two Face a run for his money at an event in New York City's SoHo neighborhood on Oct. 10.

The Maleficent: Mistress of Evil stars looked positively giddy at a photocall for their new Disney film in London on Oct. 10.

The bedazzled singer didn't ruffle any feathers but did rock a fabulous, extravagant tulle top and sequined pants at the 2019 amfAR Gala Los Angeles on Oct. 10.

The "Don't Call Me an Angel" singer's signature sartorial style doesn't take a break, even for the skies! Grande rocked an oversized sweatshirt and knee-high, heeled white boots as she boarded a private jet in Hamburg, Germany, en route to Berlin on Oct. 10.

The birthday girl couldn't stop smiling as she headed into L'Avenue in New York City on Oct. 10 to celebrate turning 23.

Who's a good boy? Another day, another walk through the streets of Manhattan for Ratajkowski and her dog, Colombo.

The Duke of Sussex fed a treat to a therapy dog named Barney while visiting Nottingham Academy in England on World Mental Health Day.

The singers performed together during the City of Hope Spirit of Life Gala 2019 in Santa Monica, California, on Oct. 10.

The comedian celebrated his wife, Marjorie Harvey’s, 55th birthday at Moon Palace Cancun in Mexico on Oct. 10 with a party that featured a live performance with Ginuwine.

The model and the German pop singer bonded at the Kate Somerville Clinic's event in Los Angeles on Oct. 9 celebrating 15 years on Melrose.

The Fenty designer looked white-hot at a Fabergé event in London on Oct.10.

The Selma star couldn't contain his laughter while speaking onstage with Theron at the GEANCO Foundation’s annual Hollywood fundraiser at the SLS Hotel Beverly Hills on Oct. 10.

The Oscar winner warmed himself by the onstage fire while speaking at the Nordic Business Forum in Helsinki, Finland, on Oct. 10.

Flower power! The Sky Is Pink star rocked a vintage-feeling maxi dress to the THR Power Business Managers Breakfast in Los Angeles on Oct. 10.

Shakin' those hips! The Queer Eye star showed off his moves during a Zumba class in honor of World Mental Health Day at Copacabana in New York City on Oct. 10.

The English actress looked like an ethereal dream at the European premiere of Official Secrets during the 63rd BFI London Film Festival on Oct. 10.

Puppy love! The country singers met some very adorable dogs ahead of performing at the Love of Dogs Benefit Concert at the Country Music Hall of Fame in Nashville on Oct. 10. The special will air on the Hallmark Channel on Oct. 21.

The 23-year-old actor exuberantly snapped selfies with fans at the premiere of The King in Sydney, Australia, on Oct. 10. 

The 18-year-old model marched to the beat of her own fashionable drum while out in New York City's SoHo neighborhood on Oct. 10.

The duo both attended the Global Lyme Alliance's fifth annual New York City Gala on Oct. 10.

The co-stars were pure Disney royalty in stunning gowns at the European premiere of Maleficent: Mistress of Evil in London on Oct. 9.

The Duchess of Cambridge was literally glowing during an appearance at the Angela Marmont Centre for UK Biodiversity at the Natural History Museum in London on Oct. 9.

The Keeping Up With the Kardashians star was clearly ready for fall in her curve-hugging, plum long-sleeved dress and thigh-high gray boots while out to lunch at Taqueria Cantina in Agoura Hills, California, on Oct. 9.

The California girl was in tie-dye heaven as she stepped out in an on-trend sweatsuit in New York City's NoHo neighborhood on Oct. 9.

Peace out! The El Camino: A Breaking Bad Movie star was in an excellent mood as he arrived at the L.A. set of Jimmy Kimmel Live! on Oct. 9.

The "Sucker" singer flashed a sly grin while out and about in Los Angeles on Oct. 9.

The "Graveyard" singer looked both ways before crossing the street while filming a new music video in New York City on Oct. 9.

The retired soccer pro gave Big Bird a run for his money at an Adidas 70th anniversary event in Seoul, South Korea, on Oct. 9.

The birthday girl, who turned 23 on Oct. 9, went goth in an all-black look and newly darkened locks ahead of her b-day celebrations in New York City.

So fierce! The Masked Singer panelist was on a silver streak at a photocall for The X-Factor: Celebrity in London on Oct. 9.

The British actress sported a retro look to a special screening of American Woman in London on Oct. 9.

LaBeouf held court during an audience Q&A for his new film, Honey Boy, during the 42nd Mill Valley Film Festival on Oct. 9.

The retired MLB pro attempted his best Blue Steel look as he hit the runway in Nike gear and Timberland boots at the first-ever DICK'S Sporting Goods fashion show in New York City on Oct. 9.

The British singer shined at the 2019 Virgin Atlantic Attitude Awards in London on Oct. 9.

The funny men bonded at the SiriusXM Hollywood Studios in L.A. on Oct. 9.

The Rogue One: A Star Wars Story star shined in a long-sleeved shimmering ivory top and black slacks as the guest of honor at the NET-A-PORTER Incredible Women Talk at BAFTA Piccadilly in London on Oct. 9.

The trio looked ready for a fun night out as they hit the red carpet at a special screening of Patsy & Loretta in Franklin, Tennesee, on Oct. 9.

The Us actress proved there's no limit to how many animal prints you can wear at once at the New York City premiere of Little Monsters on Oct. 8.

The Gemini Man star flashed a peace sign before getting into a waiting car in New York City on Oct. 8.

The Victoria's Secret Angel lived up to the name of the Calzedonia Leg Show 2019 in Verona, Italy, on Oct. 8.

Rocking a dusty rose floral Markarian twist-neck top and matching skirt, the Sky Is Pink star looked lovely as she took her dog, Diana, for a walk in New York City on Oct. 8.

The Judy star donned a one-shouldered mermaid LBD to the Australia premiere of her new movie in Melbourne on Oct. 8.

The Good American co-founder wore an Armenian coat of arms necklace that had been gifted to her by her ex, Tristan Thompson, after a business lunch with Disick in Sherman Oaks, California, on Oct. 8.

The "Push" rapper vogued for the cameras while out in West Hollywood on Oct. 8.

The Pirates of the Caribbean actor hit the stage with the rock group to perform "Toys in the Attic" during the band's Las Vegas residency, Aerosmith: Deuces are Wild, on Oct. 8. Depp is no stranger to concert performances -- he sings in a supergroup called Hollywood Vampires along with Alice Cooper and Aerosmith's Joe Perry.

Chalamet leaned into his co-star during the gala presentation for their film, The King, during the 24th Busan International Film Festival in South Korea on Oct. 8.

While visiting Armenia for the second time, the makeup mogul joined the CEOs of PicsArt and Giphy and co-founder of Reddit as a panelist at the World Congress of Information Technology in Yerevan on Oct. 8.

The singer-actress looked red hot at the 25th-anniversary screening of Natural Born Killers at the Egyptian Theatre in Los Angeles on Oct. 8.

The Sorry for Your Loss star gave a wave as she headed into Build Studio in the Big Apple on Oct. 8.

The Oscar winner couldn't stop laughing as she walked the red carpet with her two oldest daughters, Shiloh and Zahara, at the European premiere of Maleficent: Mistress of Evil in Rome, Italy, on Oct. 7.

The Seberg star suited up for the 42nd Mill Valley Film Festival in San Rafael, California, on Oct. 7.

The "Cool" singers looked dapper at "An Evening With the Jonas Brothers" at the GRAMMY Museum in Los Angeles on Oct. 7.

Fashionable pals! Two nights after watching Taylor Swift's SNL performance together, the model and the Queer Eye star grabbed dinner at the Japanese restaurant BondST in New York City on Oct. 7.

The BFFs and co-stars were back together once again at the El Camino: A Breaking Bad Movie premiere after-party at Baltaire in L.A. on Oct. 7.

Desert daze! The actors enjoyed a date night at the premiere of Netflix's El Camino: A Breaking Bad Movie in Los Angeles on Oct. 7. 

The Friends alum opened up on The Howard Stern Show during the radio host's first broadcast from the West Coast in almost 20 years as he helped launch the new SiriusXM Hollywood studios on Oct. 7.

The Lucky Day actress was the epitome of easy glamour as she headed to Build Studio in New York City on Oct. 7.

Just a couple of days after his surprise wedding to longtime love Hilarie Burton, the Walking Dead star was all smiles while chatting with folks in New York City on Oct. 7.

The couple, who are expecting their fifth child together, got glammed up for the New York Philharmonic Gala in Manhattan on Oct. 7.

The co-stars were in a joyous mood at the U.K. premiere of The Aeronauts during the 63rd BFI London Film Festival on Oct. 7.

The Logan Lucky actress was all smiles as she mingled with guests at a star-studded cocktail party at the Gramercy Park Hotel's rooftop lounge in New York City. The soiree was hosted by Rothy's to celebrate the launch of their new Merino Collection.