Jenna Dewan was up for any challenge tossed her way during her Monday appearance on NBC’s That’s My Jam, but when host Jimmy Fallon prompted her to give the wheel a spin, she was left a little apprehensive when she found out she had to participate in a game of Baby Got Backup.
“Lady Gaga was supposed to be here tonight,” Fallon joked. “It was gonna be a big performance with costumes, backup dancers, props, everything. Unfortunately, she has a ‘thing’ and she can’t make it. So you’re filling in for her, OK? You have to do your best to lip-sync and keep up with the choreography and everything that she…
