In a sneak peek at Monday's Running Wild with Bear Grylls, Kate Winslet and the survivalist scale the Snowdonia Mountains and recreate the iconic Titanic scene between Rose (Winslet) and Jack (Leonardo DiCaprio) on the front boat deck.
"Both hands off, wide … wide," coaxes Grylls as Winslet slowly and dramatically lets go of the mountain-climbing equipment, spreading both arms out and holding the stance.
"Jack! I feel like I'm flying!" exclaims Winslet, 39.
"Kate, do you trust me?" Grylls plays along.
"You jump, I jump, right?" says the Oscar-winning actress before finally breaking character. "Right, come on – get me down this f–––ing thing!"
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Tune in to Running Wild with Bear Grylls Monday (10 p.m. ET) on NBC to watch Winslet – who also happens to have a son named Bear, turning 2 this year – descend some scary peaks.