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Not Even Steve Carell Is Immune To The Power Of 'Shake It Off'

No one can shake off Taylor Swift's smash single—not even celebrities.

It's official!

Absolutely no one is immune to the giddy euphoria of Taylor Swift's "Shake it Off," not even Hollywood celebrities and comedians. Just ask Steve Carell, who sang a couple of bars of the #1 smash while on "Popcorn with Peter Travers" to promote his latest drama, "Foxcatcher."

Each episode of "Popcorn" ends with a song and for this latest episode, host Peter Travers asked Steve what music was currently in his head.

"What's going on in there?" Peter asked, to which Steve responded with the infectious chorus about haters who're gonna hate hate hate hate hate. It's a line we've all grown to know and love.

"I love it. I actually love Taylor Swift," Steve said. "I think she's great." We agree, Steve!

For her part, Taylor was thrilled:

Check out a clip of Steve's "Shake it Off" singing chops below!