Scarlett Johansson and Sean Penn may be over

June 3, 2011 at 9:25 AM ET

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The unlikely duo of Scarlett Johansson and Sean Penn is no longer, People is reporting.

The idea that the two might have split began in earnest at the Cannes Film Festival, when Johansson was noticeably absent from the premiere of Penn's film, "Tree of Life." To be fair, Johansson has had plenty on her plate: she has been working on "The Avengers," filming in New Mexico.

Penn and Johansson's relationship was one that played out in public: they were spotted being flirty everywhere from Cabo San Lucas, Mexico, to the White House Correspondents' Dinner in April.

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