(Cover) - EN Showbiz - Katy Perry has fallen for John Mayer "hook, line and sinker".

The singer is reportedly besotted with her new man and is even considering giving him a key to her Hollywood apartment. Pop star Katy and her new singer beau John have been dating for just over a month as revealed in recent reports.

"Katy's fallen for him hook, line and sinker," a friend told British magazine Look. "So much so that she's seriously considering giving him a key to her Hollywood apartment."

Katy has spoken before about how she is someone who is prone to falling in love quickly and has also admitted that she particularly enjoys dating. Reports state 34-year-old John purposely set out to make it his mission to get the 27-year-old divorcee to fall for him. Now the California Girls singer seems to have succumbed to his advances perfectly.

"[John promised to] rebuild her confidence in love," the friend continued. "He was clearly on a mission to get her to fall for him, and it has worked." (C) Cover Media