Washington, Mar 11 : Brit actress Gemma Arterton could not help herself from using her tongue when filming kissing scenes with actor Jake Gyllenhaal, even though it had been understood that she was not to.

Arterton, 23, who co-star's with Gyllenhaal in the upcoming movie Prince Of Persia: The Sands Of Time, plays the part of a sixth century princess, while he the prince.

"There's an unspoken no-tongues rule on set. But I got so carried away, it kind of slipped out," Contactmusic quoted her as saying.

"Everyone said I was lucky to be snogging (kissing) him, but he''s the lucky one!" she added. (ANI)