John Mayer's exes – Happy birthday, John Mayer. The singer, who turned 35 on Tuesday, October 16, spent the big day with Katy Perry in New York City. Here's a look at Mayer's famous flings:
Jessica Simpson – Mayer and Jessica Simpson were first linked in summer 2006. They were photographed together at Christina Aguilera's New Year's Eve party, but broke up later that year.