Katy Perry and John Mayer have split up

So, the couple have split up...again! But word on the street is that this time its finito!

According to RadarOnline, a source claimed that John has issues with commitment.
He supposedly kept luring Katy back with false promises that he was going to change.

According to the source, Katy was looking for a more serious relationship after her divorce from Brit comedian, Russell Brand.

Reports of the latest breakup come weeks after Katy was said to have tried to take things to the next level with John, and gave him a key to her LA home.