Top 10 Unexpected Celebrity Cameos in FRIENDS

Julia Roberts
Season 2, “The One After the Superbowl: Part 2”

Julia played Susie “Underpants” Moss, a childhood friend of Chandler’s. Back when they were kids, Chandler pulled down her pants in front of the whole class, making her salty for life, until they meet again and she tries to pay him back with the same coin, tricking him into wearing her underwear, and leaving him stranded and butt naked.