Tina Fey 's good looks will never need an update! Here's a 30-year-old version of the former " Saturday Night Live" cast member looking camera ready on the set of "Weekend Update" in New York City back in 2000 (l eft ) and 19 years later ... the talented star of the famously quoted teen comedy "Mean Girls" and also a mother to two daughters -- Whom is celebrating her 49th birthday this weekend -- was seen looking as if she was aging backward in time, at NBCUniversal's Upfront in New York City earlier this week ( right ). Talk about being fetch ... or is that not going to happen?! The question is ... Tina Fey ... Something Went Wrong … [Read more...] about Tina Fey — Good Genes or Good Docs?!