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Megan Fox has had her share of on-screen smooches.

From kissing Amanda Seyfried in Jennifer's Body, to sharing a passionate make-out session with Adam Scott in Friends With Kids, the actress could be considered a pro at the common movie scene.

But while promoting her newest movie, Teenage Mutant Ninja Turtles, the happily married mother of two had no hesitation in revealing her absolute best on-screen kiss.

"Shia LaBeouf," she told E! News with a grin on her face. Bet you didn't expect that answer, right? 

Megan Fox, Shia LaBeouf, Transformers

Paramount Pictures

LaBeouf, who confirmed he hooked up with his Transformers costar in 2011, has always had nice things to say about the actress.

"I love Megan," LaBeouf told E! News. "Fun to work with, great energy, great personality."

But years later, Fox is happier than ever with her two kids and husband Brian Austin Green.

"I believe he's my soulmate," she told Marie Claire U.K.. Too cute! 

To hear more scoop from Megan Fox, watch E! News tonight at 7 p.m. and 11:30 p.m.!

—Reporting by Will Marfuggi

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