Like "One Life to Live" with its storyline integrated, or otherwise, celebrity appearances with the likes of Snoop Lion, Australian DJ sisters Mim and Liv Nervo, Jenni 'JWOWW' Farley (Nikki; "Jersey Shore"), rapper Riff Raff, etc., The OnLine Network has announced that RCA recording artist and American Music Awards winner Hot Chelle Rae will appear in the Thursday, May 9 episode of "All My Children" as they perform their brand new single "Hung Up."