It's quittin' time at "Saturday Night Live" for Tina Fey. Fey announced Friday night on Jay Leno's Tonight Show that she's leaving SNL, where she's been head writer and co-anchor of "Weekend Update" for six seasons after joining the cast in 1997. She's moving on to produce her own show, "30 Rock," which she'll also write and star in.

How does SNL executive producer Lorne Michaels feel about Fey's departure? He's none too pleased: "If you're asking if I'm happy about it, no," Michaels told the Associated Press. "Tina disappearing is a huge hole in the writing staff." Fey's co-star Rachel Dratch (known for, among other things, her dead-on imitation of "Ally McBeal" star Calista Flockheart) is also leaving the show, so Michaels has hiring to do before next season. Maybe he'll be able to convince Andy Samberg's new girlfriend Kirsten Dunst to fill in.

TMZ