Emma Stone and Jimmy Fallon had a heated lip sync battle on "The Tonight Show."
Before they faced off, Stone talked to Fallon about her new obsession: young mother blogs.
"This is a pretty amazing section of the internet," Stone, 25, said. "There are women my age who are mothers and I can't even get my life together enough to put furniture in an apartment."
The actress also revealed an unexpected challenge director Marc Webb had while shooting "The Amazing Spider-Man 2" in New York. His crew would explode cars in the city, however New Yorkers would walk by them unfazed. Consequently, Webb actually had to hire people to act surprised for the film.
Finally, Stone and Fallon took turns on the mic and mimed songs like DJ Khaled's "All I Do Is Win" and Styx's "Mr. Roboto."
Although the late night host gave it his all, Emma amazed the audience with her ability to lip sync lightning fast lyrics.
Fallon has also held similar battles with John Krasinski, Paul Rudd and both Joseph Gordon-Levitt and Stephen Merchant.
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Watch Stone's killer performance in the video above. You can also watch her interview below.
