Kristen Stewart: It Was “Hard” Kissing Taylor Lautner in Eclipse

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 Han Myung-Gu/WireImage

While Twilight fans may rejoice when Bella finally smooches her werewolf pal, Jacob, in Eclipse, actress Kristen Stewart admits those scenes were "hard" to shoot.

Kissing Taylor Lautner's Jacob "was so against everything that Bella's always been," Stewart told reporters at an Eclipse press conference Saturday in Los Angeles.

Still, the actress, 20, says she found it gratifying to film the much-anticipated "tent scene" — in which a freezing Bella cozies up to Jacob to keep warm as her boyfriend Edward (Robert Pattinson) seethes with jealousy.

"Bella always wanted Jacob and Edward to level with each other finally and it's funny that it takes place while she's sleeping between them," Stewart says. "It was fun to shoot, but I wish it wasn't as hot. I was literally in a beanie and I was just sweating."

Stewart says she hasn't yet settled in to shooting love scenes with 18-year-old Lautner.

PHOTOS: Love lives of your favorite Eclipse stars.

"Taylor [and I] have so much fun with this stuff because our intimate moments are so few and far between — and weird," Stewart told reporters. "Me and Rob are always so serious because we have [a lot of] those scenes."

But when it came time to choose the better kisser, Stewart couldn't take sides.

"Dakota [Fanning]," the actress said, referring to her costar in the 2009 biopic, The Runaways. "I'm just going to have to say that because it's easier."

Eclipse hits theaters June 30.

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