Marie Claire cover girl (opens in new tab) Blake Lively showed up on The Tonight Show to promote The Shallows (opens in new tab) (AKA that completely terrifying-looking shark movie), and played a game of "Know It All" with Jimmy Fallon.
Only this was no mere "game" to Blake. Girl came to win. She also came armed with a bunch of not-at-all-nerdy Harry Potter knowledge (#hero), and called Jimmy Fallon out for saying "shit" on television.
Basically, she wiped the floor with him in the most literal way possible:
Watch below to see Blake slay as Jimmy struggles to get in formation.
Follow Marie Claire on F (opens in new tab)acebook (opens in new tab) for the latest celeb news, beauty tips, fascinating reads, livestream video, and more.
-
Who Is Alexandria Ocasio-Cortez's Fiancé Riley Roberts?AOC's husband-to-be is an "easygoing redhead" who lives with her in D.C.
-
68 Times the Kardashians Posed Fully Nude and Owned It
And we mean fully nude—as in, not a shred of clothing.
-
Who Is Jonathan Owens, Simone Biles's Fiancé and NFL Player?
"The easiest yes!" Simone wrote about the couple's engagement.
-
Surprise! Priyanka Chopra Jonas and Nick Jonas Are Parents
They welcomed a baby via surrogate.
-
Meghan and Harry Share First Photo of Their Daughter Lilibet Diana
The Sussex's holiday card is here!
-
The 50 Best Celebrity Couple Halloween Costumes Ever
Honestly, we're impressed.
-
Alicia Keys Gets What She Wants
With her jazzy new album, Keys, the singer stopped worrying about everything except what matters: Her own opinion.
-
Brooke Shields on Reinventing Yourself, Making Friends in Your 40s, and More
The actress and CEO shared inspiring advice during a panel at 'Marie Claire's' "Power Trip: Off the Grid" conference.
