'Avatar' Star Kate Winslet Thought She 'died' Breaking Tom Cruise's Record

To play Neytiri in "Avatar: The Way of Water," Kate Winslet did the unthinkable.

She set a new world record by going without oxygen for over seven minutes, besting Tom Cruise's previous mark.

Winslet said to Total Film Magazine, "Right away I wanted to know my time."

Winslet managed to go seven minutes and fifteen seconds without breathing. 

She clarified that she didn't need to squeal for quite so long

"My goal was to improve upon my previous time of 6 minutes, 14 seconds. 

Winlset: "Jim does not suffer fools, so it was really high praise that he asked me.