Music stars Katy Perry and John Mayer are no longer dating and it looks like the "Daughters" star may not even be thinking about his ex anymore with someone else who could be on his mind.

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On Thursday, Hollywood Life reported that Mayer could be trying to win over movie star Jennifer Lawrence even though she is said to be dating Coldplay singer Chris Martin. There might be a possibility that Mayer could be going out of his way for the actress despite that she could be with someone else.

"John has had a thing for Jennifer for quite some time now and he's still trying to romance her despite her involvement with Chris," a source told the site.

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If Lawrence and Mayer do end up in a relationship, then she'll be added to the singer's list of other famous ladies that the singer has dated, including Taylor Swift, Jennifer Aniston and of course Perry.

"John is determined to win Jennifer's heart," the source said. "They had a late dinner together at Cecconi's in West Hollywood on August 29."

If that last part is true, then the actress must have some interest in Mayer although it may not necessarily be in a romantic way. But that can be subject to change even though it could cause complications with Martin.

"Chris who? That's how John feels," the source said. "It's not like she's wearing a ring on her finger and John will continue to try and woo her until she does. He's not in the least bit set back by the fact that Jennifer's been out on multiple dates with Chris."