10 Best Celeb Quotes This Week

Jennifer Grey gets a "Baby" of her own on DWTS, plus more from Megan Fox, David Letterman and other stars

"Elmo's up, Elmo's down, Elmo's round-n-round…"
Elmo, singing along with Katy Perry to a slightly altered version of her hit song "Hot N Cold" for a Sesame Street segment that has been pulled from the show