Who would you cast as the girls as adults? May 5, 2021 20:03:08 GMT -5 cnj likes this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by nancydawes on May 5, 2021 20:03:08 GMT -5 May 5, 2021 17:27:09 GMT -5 sparklymouse said:Rachel McAdams as Stacey. The second pic is older. She's 42 now. She's dyed her hair every color of the rainbow and wore a wig for Mean Girls.Rachel McAdams would be a great Stacey. She's a very versatile actor that could play a lot of different characters.