Kristen Wiig as You've Never Seen Her Before: Harry Styles

Harry Styles somehow got even sexier.

For Jimmy Fallon's inaugural week as Tonight Show host, the funny man asked his famous buddies to swing by.

On Tuesday, Fallon invited Kristen Wiig to appear on the show, but the gracious comedian allowed her spot to be filled by another celeb: One Directioner Harry Styles

This isn't the first time Wiig has stepped aside while visiting Fallon. Over the summer on Late Night, Wiig posed as basketball legend Michael Jordan.

We don't know if Wiig is having a personality crisis or simply trying to stretch her improv chops, but Harry Styles better watch his back. Read more...