Taylor Lautner says his Twilight co-stars have been "teasing" him about his character's unusual relationship in the new movie.

In The Twilight Saga: Breaking Dawn Part 2, Taylor's werewolf character Jacob Black imprints on Bella and Edward Cullen's infant daughter Renesmee. While the storyline is controversial, Taylor has defended Jacob's situation.

"Everyone likes to tease me about it," Taylor told Entertainment Weekly. "Everyone thinks it's so funny, and I laugh along with them, but it's important for me to keep in my mind that it's as simple as a lifelong bond. It's not nearly as creepy as everybody likes to joke."

Taylor's co-star Robert Pattinson has revealed he is particularly amused by the relationship. Robert is brooding vampire Edward in the franchise, but couldn't contain his mirth when the pair were shooting certain scenes together.

"Oh, I can't wait till he has to do live TV," Robert quipped. "Did you ask him if his taste in women has changed? The first scene I saw them together, I literally could not stop laughing. I wouldn't have been able to do it."

Kristen Stewart who plays Edward's wife Bella also waded in on the plotline, claiming the final instalment of the popular series is "so weird".

Taylor, Robert and Kristen have become close friends since working on the Twilight movies. British heartthrob Robert admits they had to tone down their behaviour at times on the set, especially around 11-year-old Mackenzie Foy who plays Renesmee.

"We're all around the same age and we're really not polite to each other anymore," he explained. "You'd have to tone it down when Mackenzie was around. She had a little swear jar and I think she made 850 bucks or something."