Pattinson cheating on Kritsen Stewart?

Pattinson, who is rumoured to be dating his Twilight co-star Kristen Stewart, is reportedly ‘sexting and sleeping’ with Gossip Girl actress Leighton Meester.

Heartthrob Robert Pattinson is reportedly ‘sexting and sleeping’ with Gossip Girl actress Leighton Meester.

Pattinson, who is rumoured to be dating Twilight co-star Kristen Stewart, was recently spotted entering Meester’s New York City apartment, according to In Touch Weekly.

"He ducked out of the building and hopped into a waiting car. He apparently spent the night with Leighton, and didn''t want anyone to know,” News.com.au quoted a source as saying.

“She''s having a texting romance with him, and is so into it. She talks with Rob almost daily," the source added.