The 16-year-old actress was joined at the event by her Surviving Jack pal Claudia Lee.
“Vanity Fair Young Hollywood tonight with my babe @ClaudiaLeeLive #VFCH #FiatUSA,” Bella tweeted.
Earlier in the day, she was spotted heading to a meeting at 101 Cafe in Hollywood.
FYI: Bella is wearing a Zadig & Voltaire Deluxe suit, BCBG Max Azria tank, Rene Caovilla shoes, Yakira Rona necklace, Elahn and Maria Francesca Pepe rings, Yakira Rona and Kami Lerner bracelets, Carla Amorim earrings, and an Aldo clutch. Claudia is wearing a Peggy Hartanto dress and a Helmer clutch.
10+ pics inside of Bella Thorne and Claudia Lee at the Vanity Fair party…