Washington, May 18: American actor Bradley Cooper has put down rumours that he is having a romantic relationship with former `Friends' star Jennifer Aniston.

Cooper, 34, who is soon to star in `The Hangover' with Heather Graham, said that the rumours were untrue.

Even though the actor said that claims linking him to Aniston were rumours, his mother is very happy about it.

"I met her 3 times in my life," People magazine quoted him as saying in Las Vegas on May 15 at a charity poker tournament at Caesars Palace.

"I'm very flattered.

"My mom loves it, but unfortunately it's not true," he added. (ANI)