Trouble in paradise!

Sean Penn and Charlize Theron started dating more than a year ago, but a new report claims they're heading for a split.

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“It all started in February,” a source told ‘In Touch.’ “Charlize was horrified by Sean’s green card joke at the Academy Awards. She thought the remark was very insensitive.”

In case you missed it, the 54-year-old made a tasteless one-liner about a green card when presenting Mexican director Alejandro González Iñárritu with his award for ‘Birdman.’

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“Charlize was furious,” the source adds of the 39-year-old.

For the full story, pick up the new issue of ‘In Touch Weekly’, on newsstands now!

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