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During her second pregnancy with son Noah, born in May 2012, the Victoria's Secret model strived to be "as healthy as possible." Once Noah arrived (joining big sis Anja), Ambrosio revved up her weight loss by breastfeeding. "[That] and running after my kids," Ambrosio told Us, adding that she often mixes up her workouts. "I love to do Pilates and SoulCycle and go on walks and surf at the beach."