Must-See Star Sightings

The country crooners bonded at the 2016 American Country Countdown Awards, which were held at The Forum in Inglewood, California, on May 1. McEntire looked fabulous in an all-black ensemble, as did Ballerini, who opted for a bohemian-esque blush dress with floral appliqué and a bold wine-hued lip.

She's a little bit country, a little bit rock n' roll! Underwood looked every bit the rockstar as she performed at Stagecoach California's Country Music Festival in Indio, California, on April 30.

The Grease: Live! star glittered in gold at the grand opening of the Intrigue Nightclub at Wynn Las Vegas on April 29. Not only did an eyewitness tell ET that Hudgens had an awesome time dancing inside the club, she looked every bit the disco queen before heading inside as she showed off her metallic lurex tank-and-pants combo.

The Scream Queens star showed off a retro-chic look -- including cropped, high-waisted flares and a leather jacket with '70s-style embroidery -- while picking up a hot beverage in New York City on April 29.

The Mother's Day actress made quite the style statement when she stepped out in a pair of peacock, thigh-high Brian Atwood boots on April 29 in New York City. The boots are from the designer's upcoming fall collection and are not even in stores yet.

Olivia Pope and President Fitz might not be together on Scandal (for now), but Kerry Washington and Tony Goldwyn were all smiles on the red carpet on April 28. The co-stars posed together during the Scandal-ous! event, hosted by the Smithsonian Associates with Shonda Rhimes and the cast of ABC's Scandal, at the University of District of Columbia Theater of the Arts in Washington, DC.

The reality star posed with supermodel Naomi Campbell at the Los Angeles launch of Naomi at Taschen Beverly Hills on April 28 in Beverly Hills, California.

The 34-year-old supermodel pulled out all the stops for her red carpet look at the Billboard Latin Music Awards, showing off her toned tummy and long, slender legs in a black dress with cut-outs. She completed the sexy ensemble with a sparkly choker necklace and strappy black heels for the Miami awards show on April 28.

It's spaghetti time! The 52-year-old actor helped serve some Italian favorites to 15 lucky children at Buca di Beppo at Universal City Walk in Los Angeles on April 27. Stamos, along with actress Jen Lilley, was there to support Childhelp, a non-profit organization dedicated to the prevention and treatment of child abuse.

The reality star stepped out in a tan ensemble and colorful robe after filming Keeping Up With the Kardashians in Los Angeles on April 27.

Sweater time! The supermodel rocks a gray sweater and shiny black leather pants in NYC on April 27 as she heads to The Tonight Show.

The Veep star turned heads when she stepped out in a figure-hugging, floral Carolina Herrera dress and an Edie Parker clutch at the Time 100 Gala on April 26 in New York City.

The model looked stunning in a floor-length plum Victoria Beckham gown at the Time 100 Gala at Lincoln Center in New York City on April 26. 

The Dawson's Creek star showed up in a slouchy style at the For Your Consideration screening and panel for Showtime's Ray Donovan at Paramount Theatre on April 25 in Hollywood, California.

The Being Mary Jane star was all smiles as she entered David Grutman's wedding in Miami, Florida, on April 23.

The brunette beauties held hands and showed off their super chic looks while posing for photographs at the harper x Harper's Bazaar May Issue event at the Sunset Tower Hotel in West Hollywood, California, on April 22.

On April 19, the royal excitedly took part in filming a segment where a photo of him is printed on some of the targets children had to throw balls at for an episode of the Sky Sports Game Changers, which was dedicated to the Invictus Games, in Spencers Wood, United Kingdom.

The mom-to-be was clearly in a spring mood as she picked up a bouquet in New York City's SoHo neighborhood on April 22 -- she even wore a blue floral dress and matching sunglasses!

The By the Sea actress, who looked perfectly polished in a classy black dress, long peacoat and stilettos, rocked a slicked back ponytail while visiting the Trust Fund for Victims at the International Criminal Court in the Netherlands on April 20, 2016.

The singer posed for a pic at the The Voice's Karaoke for Charity event at Hyde Sunset: Kitchen + Cocktails in West Hollywood, California on April 21.

The TV stars posed for a pic at Glamour's Game Changers Lunch at Jessica Biel’s restaurant Au Fudge in West Hollywood, California on April 20.

The 46-year-old pop diva was swarmed by photographers as she exited her hotel in Paris, France, on April 20, clutching a bouquet of flowers.

Allison Williams presented her Girls co-star Lena Dunham with an award at the 8th Annual Blossom Ball benefiting the Endometriosis Foundation of America at Pier 60 on April 19, in New York City.

Tiffani Thiessen and husband Brady Smith snacked on Planters Dry Roasted Peanuts in limited edition packaging to celebrate Mr. Peanut’s 100th Birthday at an outdoor party in Los Angeles on April 19.

Rose Byrne and Susan Sarandon joined Peter Pan Simply Ground Peanut Butter for a screening of their film The Meddler in New York City on April 18.

While enjoying a trip to Iceland for Kourtney's 37th birthday, the mom of two struts her stuff in a very Yeezy nude-on-nude look on April 18.

The 35-year-old High-Rise star walked around talking on his cellphone through the streets of New York City on April 18, proving once and for all that even when he's just strolling down the sidewalk, Hiddleston looks like he's starring in an ad for expensive cologne.

The Star Trek Beyond heartthrob looked effortlessly stylish -- rocking a small scarf and denim jacket complete with popped collar – as he left the luxurious Chiltern Firehouse in London on April 17.

Fergalicious indeed! The singer was spotted heading to the studio in Los Angeles, California, on April 15, wearing a sexy pair of cutoff shorts, a tight tank-top and brown ankle boots.

Stylin’ in sunglasses! Reese Witherspoon was spotted out in Los Angeles on April 14 looking spring fabulous in a yellow skirt.

Kate Hudson stepped out in a must-have spring style for the World of Cyberobics presentation at Cyberobics on April 14 in Berlin, Germany. The actress donned a pair of majorly flared yellow slacks that she matched with a simple black tank-top. 

The 30-year-old model looked gorgeous in black at Star Magazine's Hollywood Rocks event presented by Physicians Formula on April 14.

The mother-of-three showed off her sexy figure in a nude dress at the alice + olivia runway show with Joico InstaTint, presented by Stacey Bendet and Neiman Marcus, on April 13 in Hollywood, California.

The 35-year-old reality star, decked out in an all-black ensemble, rocked oversized shades as she arrived at a studio in Van Nuys, California on April 13.

The Marvel stars posed for a superhero-worthy pic at the Los Angeles premiere of Captain America: Civil War on April 12.

Just when you think Chris Hemsworth couldn't be any more adorable, he goes and makes this face. The handsome actor struck a silly pose with his co-stars, Charlize Theron and Emily Blunt, at the premiere of The Huntsman: Winter's War on April 11 in Westwood, California.

Ciara showed off her slender figure -- and her dazzling new engagement ring courtesy of fiance Russell Wilson -- in a navy blue dress on April 11 in New York City. The "Body Party" singer announced the Billboard Music Award nominees alongside rapper Ludacris on Good Morning America.

Real Housewives of Beverly Hills star Erika Jayne posed with White Party Palm Springs host Jeffrey Sanker at the annual festival on April 10. The reality star was crowned "Queen of White Party 2016" and performed for the crowd at Sunday's T Dance.

The actress soaks up the Miami sun in a cute Aerie bikini on a sisters only vacation at the W South Beach hotel pool on April 8.

Dax Shepard and Kristen Bell proved they are the cutest couple ever when they showed up wearing matching Game of Thrones shirts and temporary tattoos to the season six premiere of the HBO show on April 10 in Hollywood, California.

The Fuller House co-stars were all smiles as they walked the red carpet at the TV Land Icon Awards at The Barker Hangar in Santa Monica, California on April 10.

The 18-year-old reality star bundled up for the rainy Southern California weather as she arrived to dinner in Woodland Hills, California on April 8.

The Confirmation star warmly addressed the audience at The Lasting Impact of Anita Hill during Tina Brown's 7th Annual Women in the World Summit at Lincoln Center's David H. Koch Theater in New York City on April 8.

Bella Hadid and Naomi Campbell snapped a sexy selfie as Marc Jacobs and Benedikt Taschen celebrated NAOMI at the Diamond Horseshoe on April 7 in New York City. "My mentor. My angel. I love you! Congratulations on your book. You deserve it all. Greatest in the world," Hadid said of the supermodel via Instagram.

The 23-year-old “Hands to Myself” singer rocked the blue carpet at WE Day California, an event celebrating youth who make a difference in their local and global communities, at The Forum in Inglewood, California, on April 7.

The 29-year-old actress looked stunning while discussing her new action thriller TV series, Rogue, at the AOL Build Speaker Series at AOL Studios in New York City on April 6.

The Grease: Live! star was excited to be one of the first people to officially roam the magical grounds at the Wizarding World of Harry Potter in Universal Studios Hollywood, attending the theme park's grand opening on April 5.

The Telenovela star stunned in a sparkling, curve-hugging silver dress at the Elizabeth Taylor White Diamonds 25th Anniversary Celebration at The Glasshouses in New York City on April 5.

The 30 Rock star's wife flaunted her growing baby bump in a figure-hugging black dress when the couple posed at the NYU Tisch School of the Arts 50th Anniversary Gala on April 4 in New York City.

The actress donned a demure, long-sleeved blue dress at the New York Academy of Art's Tribeca Ball in New York City on April 4.

The Orange Is the New Black star lit up the red carpet at The Olivier Awards in London on April 3, where she wore a one-shouldered, bright orange dress with a layer of asymmetrical ruffles at the waistline.

The actors looked dashing as they walked the red carpet at the 27th Annual GLAAD Media Awards in Beverly Hills on April 2. Michele dazzled in a low-cut, floor-length white crochet Elie Saab dress, while Franzese made for a dapper date in a classic black suit.

The smiley "Peter Pan" singer donned a glitzy blue romper to accept her award for New Female Vocalist at the 4th ACM Party for a Cause Festival in Las Vegas on April 1.

The 28-year-old singer showed off her toned legs on the red carpet at BET’s Black Girls Rock!, where she received the Rock Star Award on April 1 in New York City. The ceremony, which also honored Gladys Knight and Shonda Rhimes, airs April 5 at 8 p.m. ET/PT on BET.

The "Misery" singer made an appearance on The Late Show With Stephen Colbert on April 1, ahead of her singing gig on Saturday night's SNL. Stefani made a stunning entrance into the talk show, flashing a huge grin (with her signature red lips, of course!) while sporting a white dress covered in black ribbon ties, fishnet stockings, black pointy pumps and a matching long coat.

The Backstreet Boy dug into one of Buca di Beppo's oversized meatballs while hosting a lunch for 20 fans at the Universal CityWalk outpost of the chain in Los Angeles on April 1.

Keira Knightley and Will Smith strolled the streets of New York City's West Village while filming their upcoming movie, Collateral Beauty, on April 1. 

The 38-year-old human rights lawyer was all smiles as she stepped out in a bright red minidress and floral boots in New York City’s SoHo neighborhood on March 31.

The actress was showing a lot of leg when she attended The Huntsman: Winter's War photocall on March 31 in Milan, Italy.

The singer made an appearance at the M∙A∙C Cosmetics store in Hollywood on March 30 to celebrate the launch of her exclusive M∙A∙C Future Forward lipstick.

She'll never let go...of all that kale! The actress was spotted filming her upcoming movie, Collateral Beauty, in New York City on March 30.

Jonathan Adler posed in one of the rooms he redesigned at Eau Palm Beach Resort & Spa. The Florida hot spot is definitely a must-see summer destination.

The 44-year-old interior designer teamed up with eBay on March 29 to inspire consumers to clear out, spring clean and sell on eBay.