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Cheering during the 4x100

Mother of US swimmer Michael Phelps, Debbie Phelps (C) reacts next to Phelps' sisters Hilary (L) and Whitney (R) after he competed and won gold in the men's 4x100m medley relay final during the swimming event at the London 2012 Olympic Games on August 4, 2012 in London. MARTIN BUREAU, AFP/Getty Images