Who has the best eyebrows? Here's a competition involving supermodel Cara Delevingne and Mother of Dragons  Emilia Clarke. They competed in an eyebrow-off on the Graham Norton Show.

Cara brought her A game.

But Game of Thrones star Emilia Clarke had something really hard to live up to.

Jake Gyllenhaal was there too but he's irrelevant. So who won? Terminator: Genisys costar Arnold Schwarzenegger was inclined to announce Emilia as the winner.

Check it out below: