If you remember Katy's movie she talked about how her marriage with Russell was ruined because of her tour and how hard it was to maintain a relationship.  Well it's happened again.  As she gears up for her world tour Katy and John have called it quits again.   She's super stressed and the've been fighting back and forth and this could be it for good, according to US Weekly.

Guys, Katy is all yours.

Ladies, John is...well...he's there.