Alexander Skarsgard Saves 'Tarzan' Co-Star Margot Robbie From Wardrobe Malfunction on Red Carpet

Tarzan to the rescue!

Tarzan to the rescue!

Margot Robbie narrowly avoided an embarrassing wardrobe whoops at the premiere of The Legend Of Tarzan on Tuesday night in London, England, and she has her co-star Alexander Skarsgard to thank. While posing on the red carpet, the 39-year-old actor came to Robbie's aid and helped adjust her stunning Miu Miu nude gown that was blowing fiercely in the wind.

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The chivalrous star even stood in front of the 26-year-old actress while she bent over to fix her dress, which she paired with Bally Eren heels.

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Margot -- who plays Jane to Skarsgard's Tarzan -- didn't seem to need any help when posing in a seriously sexy white bikini for the new Vanity Fair cover. The Australian actress became a household name when she played Leonardo DiCaprio's sexy wife in Wolf of Wall Street, but admits that it was "so awkward" doing her first onscreen sex scene with the A-list actor.

"I hadn’t done a proper sex scene before," she says. "I’d done scenes where it’s leading into sex or sex has just finished, but I hadn’t done a start-to-finish sex scene like I did in Wolf. That was my first.”

Robbie adds that there's "no way" to prepare for such a scene, because "tons of people are watching you.”

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Years after Wolf of Wall Street, Robbie has some animalistic love scenes with Skarsgard in Tarzan, in theaters now. Some of the love scenes were filled with so much passion that Skarsgard actually sustained an injury. "This is what passion looks like," Robbie told ET while on set. "We ripped my costume just a wee little bit, but that's alright."