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Is Leonardo DiCaprio Dating Aussie Actress Margot Robbie?

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Does Leonardo DiCaprio have a new leading lady?

Joined by famous friends like Beyoncé Jay-Z, Cameron Diaz at his 38th birthday party in NYC on Saturday, the most important guest at DiCaprio's bash may have been former Neighbours star Margot Robbie, who has been romantically linked to the actor after he split from Victoria's Secret model Erin Heatherton last month.

The pair - who met while filming Martin Scorcese's high finance thriller, Wolf Of Wall Street, - sparked rumours of a fling after the two were spotted getting cosy at a Las Vegas party on Nov. 3.

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"There looks to be some strong chemistry between Leo and his leading lady," a witness told the New York Post after the party. "They spend a lot of time together," another source added about the relationship.

Still - friends of the actor say it ain't so: "There were a lot of people with them celebrating a birthday - that's it" a source revealed, adding that DiCaprio and Robbie "are filming a movie together, they are just friends."

Robbie, 22, is best known for her role as Donna Freedman on Neighbours but she shifted to the US in 2010 to star in the short-lived drama Pan-Am.

Stay tuned!

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