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The former Socialist Prime Minister of Wallonia prior to Di Rupo was Paul Magnette. Magnette, a prominent figure in Walloon politics, served as the Prime Minister of the Wallonia region in Belgium from 2015 until 2019. Notably, he was the leader of the Socialist Party during his tenure as Prime Minister. Magnette's political career also includes serving as the mayor of Charleroi, a city in Wallonia.