Selena Gomez, Steve Martin and Martin Short Do a 'Freaky Friday' Body Swap With Jimmy Fallon | Video

"Only Murders in the Building" leads Steve Martin, Selena Gomez and Martin Short were the victims of a "Freaky Friday"-style swap with Jimmy Fallon prior to their Tuesday night interview on "The Tonight Show." "I always love it when you guys stop by," Fallon told the three Hulu co-stars at the start of their appearance, to which Martin replied, "Well, it's a contractual obligation." When the four joined hands to celebrate the show, though, they ended up swapping voices with each other, much to their shared horror. "I've got Marty's voice!" Martin exclaimed. "Oh . . .