Margot Robbie says Prince Harry is quick to respond to her texts

It seems Margot Robbie doesn't share the same excitement most people would feel after receiving a text from Prince Harry, revealing that it takes her days, if not weeks, to reply to the British royal. The Australian actress opened up about her regal phone correspondences to E! News this week.

"He's pretty quick on text actually," the Suicide Squad star said of 31-year-old Harry, before adding: "Unlike me – I write back four days later, weeks later sometimes."

TAP TO VIEW GALLERYMargot has revealed that Prince Harry is quick to reply to text messages

The 26-year-old star has previously admitted that when she first met Harry at Suki Waterhouse's housewarming party, she didn't recognize him, and mistook him for fellow Brit Ed Sheeran. "He got really offended," she told Jimmy Fallon back in March, before trying to defend herself, saying: "He wasn't wearing a crown though! Like, I don't know it's a prince!"

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Clearly Harry hasn't held the mix-up against Margot though, and the pair remain in touch. Not that she has been boasting about her royal connection to her loved ones. "I didn't tell my family," she admitted. "When I go and see my family, my mum's telling me about Murphy, our dog, and mundane things like that."

Margot was first introduced to Harry by their mutual friend Cara Delevingne. "They've known each other for years, and we met through friends," she revealed.

Both Cara and Margot star in Suicide Squad, set to be one of this summer's biggest blockbusters. The pair appear opposite Jared Leto and Will Smith in the film, with Cara playing the Enchantress and Margot taking on the role of the Joker's girlfriend Harley Quinn.

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Speaking about her part in the DC Comic movie, Margot said: "I guess it's intimidating because there's obviously a lot of people I want to please, and a character I have to do justice. But it's a challenge, I'm definitely up for it and hopefully I don't disappoint."

Margot and Cara star in Suicide Squad alongside Will Smith and Jared Leto

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