Alicia Silverstone slips on white dress to recreate iconic Clueless scene with her son Bear

Rebel Wilson thrills fans as she joins Clueless star Alicia Silverstone on the set of Senior Year

Rebel Wilson poses as Prom Queen in photo with Alicia Silverstone on set of comedy Senior Year

Clueless actress Alicia Silverstone, 44, says her first name has been mispronounced for DECADES