Katy Perry and John Mayer's Romance
Mayer and Perry went on a double date hike together in Hollywood with pals Allison Williams and Ricky Van Veen on Feb. 29, 2013. Soon after, the couple split for a second time. "It's not over until it's over," an insider told Us. "You have to see how things play out." Another source added, "She's leaving the window open. They have both been so focused on work."