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ET hit the big Hollywood premiere of Adam Sandler and Andy Samberg's new father-son comedy That's My Boy Monday night, and the stars on the red carpet – including Adam, Andy, Leighton Meester, Ciara, Vanilla Ice and Gene Simmons -- revealed their fave memories of high school and the '80s!

Video: Ciara's Video Diary of 'That's My Boy' Premiere

In theaters June 15, the outrageous comedy That's My Boy finds Sandler as Donny, a young father trying to reconnect with his son Todd (Samberg) and deal with the repercussions of his bad parenting skills. Susan Sarandon, Eva Amurri Martino, Will Forte, Rachel Dratch, Ana Gasteyer, Milo Ventimiglia, James Caan and Tony Orlando also star.