Bask in Tina Fey's awful Robert De Niro impression

She writes. She acts. She produces. Honestly, is there anything Tina Fey can't do?

YES. YES, THERE IS. 

The Sisters star visited TheTonight Show and played a round of First Impressions with Jimmy Fallon, revealing her one true weakness: celebrity impressions.

OK, so she may have butchered Robert DeNiro... and Sofia Vergara... and Elmo, but why imitate when you're an original?