Watch Margot Robbie Squirm As Cara Delevingne And More Celebs Try To Raise Her Heart Rate

"I'm mortified! I'm so embarrassed."

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Margot Robbie was the latest actress to get strapped into a heart rate monitor on the BBC Radio 1 Breakfast Show with host Nick Grimshaw. During the segment, Grimshaw reveals he's prepared a variety of clips from other celebrities that he hopes will elicit a reaction from the I, Tonya star. The clips range from her Neighbors co-star Sam Clarke revealing embarrassing childhood nicknames to Tarzan co-star Alexander Skarsgard asking her about her previous experience acting with animals. The clip of her acting in something called The Elephant Princess is too funny to miss — and her reaction to it is priceless. 

When her Suicide Squad co-star Cara Delevingne reminds her of their trip to Vegas and other inside jokes, Robbie can't help but squirm. Grimshaw tries to get her to explain what Delevingne is talking about, but Robbie insists she can't tell. "I definitely can't say," she said. "I can't talk about any of this stuff!" 

But the thing that really gets her heart racing is a throwback to her younger years as a huge metal fan. "When I was younger I was really into Metallica," she said. "I went to a Slipknot concert once when I was younger that was one of the best ones. But I was into Thrice, Bullet for My Valentine." After confirming that she loves Bullet for My Valentine, Grimshaw turns to a clip of the group performing in Canada — where they've dedicated their 2005 hit song "Tears Don't Fall" to Robbie on stage. 

She's completely blown away by the gesture — and her heart rate spikes to prove it. "You are fucking kidding me! Oh my God!" Robbie said. "I can't believe that just happened. I'm dying — that's like my whole childhood!"

Watch it all in the video above. 

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