10 Best Celeb Quotes This Week

Justin Timberlake can't hold in his excitement, Katherine Heigl gets lit with Dave Letterman, plus more from Martha Stewart and other stars

"They did invite me once…For some reason they didn't let me go on – it was during probation."
Martha Stewart, on why she never appeared on Saturday Night Live, while cooking with show cast member Seth Meyers on her daytime show