Parties - Vanessa Hudgens, Ashley Tisdale, Rachel McAdams
Credit: Eric Charbonneau/WireImage

Vanessa Hudgens (in Maria Lucia Hohan) brought along some friends to help her celebrate her new movie Journey 2: The Mysterious Island at The Colony in Los Angeles. "Goin to support ma girl Vanessa," Tweeted Ashley Tisdale before meeting up with her fellow Disney alum BFF and The Vow star Rachel McAdams (in Peter Som) at the event. See Madonna, Carrie Underwood, and more stars at last night's hottest events in the gallery!