Katy and John broke up!

Katy Perry and John Mayer's relationship has been "Hot N Cold" for months... and now it's over. The singers first started dating in June 2012, then broke up two months later. But they couldn't stay apart and reunited in September 2012. Their second try at love lasted five months, but sources close to the couple confirm they broke up in March 2013. Friends of both stars say their rocky romance might not be over for good. Keep reading Tiger Beat for the latest news about these two!