Plus, Jennifer Aniston took a selfie with the Democratic presidential nominee.
It would seem that a lot of stars are with her!
Justin Timberlake and Jessica Biel took over hosting duties from their friend, Leonardo DiCaprio, for a Hillary Clinton fundraiser in Los Angeles on Tuesday, where the Democratic presidential nominee posed for several photobooth snaps with the celebrity couple.
"Look who came over for lunch... ? #imwithher," Biel wrote on Instagram.
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Timberlake and Biel also stumped for Clinton at the #ImWithHer event, a $33,400 per plate luncheon, from their Hollywood Hills home.
WATCH: Kim Kardashian Snaps a Selfie With Hillary Clinton
Several other stars were in attendance, including Shonda Rhimes, Tobey Maguire, Justin Theroux and Jennifer Aniston, who snapped a selfie with the former secretary of state.
A Clinton aide tells ET that during the event, she continued to touch on her message of working together, while also arguing that her opponent, Donald Trump, has "shown that he is temperamentally unfit and unqualified to be president."
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Clinton, who has two more Los Angeles-area fundraisers planned, and started her California visit by appearing on Jimmy Kimmel Live!, has had a lot of Hollywood support so far in her campaign.
Watch the video below to see Katy Perry and Orlando Bloom meet backstage with their candidate at this year's Democratic National Convention.
