PHOTOS: The Life and Times of Kate Middleton Kate Middleton made her first post-baby public appearance August 30, 2013 at the Ring O'Fire Anglesey Coastal Ultra Marathon in Holyhead, Wales. The Duchess of Cambridge sported a green blazer, patterned crème top, and skinny jeans, revealing how quickly the new mom has returned to her sleek and fit physique since Prince George's July 22 birth. Mark Cuthbert/UK Press via Getty Images