Jennifer Aniston, Gerard Butler. (Photo: Reuters)

American actress Jennifer Aniston and her co-star Gerard Butler were seen hand in hand over the weekend in New York City where they are filming The Bounty, People Magazine reports.

Aniston and Butler went out on Saturday night, had cocktails and were hand in hand at the Jane Hotel in Manhattan, a witness told People Magazine.

Earlier this month Butler said they were not dating but joked saying he was excited and lucky to have the chance to kiss Aniston during the filming. He has also said Aniston is one classy lady cool, easy and down to earth.

Aniston and Butler have been making headlines about an off-screen romance ever since they began filming the movie together.