18 Weird Celeb Turn-Ons Kristen Stewart's involves ... armpits By Evann Gastaldo, Newser Staff Posted Sep 15, 2012 11:00 AM CDT 5 comments Comments Kristen Stewart accepts the award for best kiss at the MTV Movie Awards on June 3, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP) (Newser) – Just three weeks before news of her affair with director Rupert Sanders broke, Kristen Stewart dished on a kinda weird kink to Vogue: Speaking of her unnamed boyfriend (Robert Pattinson?), Stewart revealed, "He loves to lick under my armpits." The Frisky notes that this fetish is called maschalagnia—and rounds up 17 more celebs with strange turn-ons: Angelina Jolie used to play with knives while in bed with Billy Bob Thornton. Shia LaBeouf wants his partner to pull his hair. Carmen Electra enjoys being spanked with a coat hanger. Justin Timberlake loves a good quickie ... during his concerts! Christina Aguilera puts on a nurse outfit and "plays doctor." Click for the complete list, including one famous amputee who likes to have her stump rubbed. Seriously.