'Vikings' Star Katheryn Winnick

Celebs - By The Rachael Ray Staff on

Katheryn Winnick makes her first visit to Rachael Ray, and she's giving the scoop on what it's like to act on TV's breakout hit, Vikings! Then, the Canadian-born beauty -- who began training in martial arts at age seven --shows off some of her best moves on co-host Bobby Flay! Who will win this Vikings battle? Tune in to find out!