Tina Fey nabbed three Emmy Awards in 2008! - Dan MacMedan/WireImage.com
After premiering in 2006, her show "30 Rock" struggled in the ratings despite receiving critical acclaim. But thanks to her spot-on Sarah Palin impersonation, Fey got everyone to start tuning in to "SNL" again -- and made folks curious about her NBC sitcom. Tina reportedly also signed a $6 million book deal. Not too shabby!
Watch "The Thread" to see which other celebs reinvigorated their careers this year:
- Tina Fey