Prince William won back Kate Middleton after their 2007 breakup when they pair attended a wild bash where she dressed as a "naughty nurse," Wonderwall.com can report. The two ended up having a deep conversation after peeling away from other partygoers, helping them decide to give their romance another try, according to a new book. That led to a rock-solid relationship that culminated in the college sweethearts finally marrying in a 2011 royal wedding. The breakup Kate Middleton was photographed out and about in London a month after her split from Prince William in 2007.