Tina Fey Shows Off Her Best Impression Skills On 'Fallon'

During Tina Fey's visit to "The Tonight Show Starring Jimmy Fallon" to promote her new film with Amy Poehler "Sisters," Jimmy Fallon decided to put Tina's impression skills to the test.

As most of us probably know, it's Jimmy who's known for having a big bag of impressions, while Tina Fey basically just has her Sarah Palin impression.

After a questionable Robert De Niro impression, Tina throws out a couple of surprisingly good impressions.

Check her incredible talent on the video below.