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The 54-year-old Oscar winner and the 39-year-old South African beauty have split, multiple sources confirm to E! News. The two dated for about a year and a half; their last public appearance together was at Vienna Life Ball on May 16.
The pair's split may come as a surprise to many considering the two seemed more in love than ever at the Mad Max: Fury Road premiere in Los Angeles last month, where an eyewitness said Penn was incredibly attentive to the Academy Award winning actress, even sneaking in kisses with the star at the premiere's after party.
Earlier this year, there was even engagement speculation surrounding the pair although Penn dodged questions when probed about their relationship status during an interview with Good Morning America in March. "I have no idea," he said when asked if he plans to marry the stunning blonde (in December 2014, a source told E! News that the duo had "made a commitment to be together for the rest of their lives").