Kristen Stewart "couldn't have done" the Twilight films without Robert Pattinson and Taylor Lautner.

The actress stars as Bella Swan in the hugely-successful film franchise.

Robert plays vampire Edward Cullen, while Taylor portrays werewolf Jacob Black.

The trio can currently be seen in the penultimate film in the series - The Twilight Saga: Breaking Dawn Part 1.

Kristen owes all of the good memories on set to her two co-stars.

"I couldn't have done this without them. I can't imagine what this movie would have been if I didn't have really solid and always growing relationships with them," she gushed in an interview with more! magazine.

"The other question we always get asked is, Are you a big family? Do you love each other?' Yeah, but it's more the idea that when I don't see Taylor for a while I go gasps and I take my phone out to call him.

"It's not like I see him all the time, or every day, it's just that when you work with people like that, you can give so much."

Kristen has a close relationship with Robert and Taylor. The star feels secure around them both.

"It's so comfortable. You can do no wrong they've got you. We get along together and I think it shows," she added.