Reese Witherspoon Has a Girl Crush on 'Cute' Rachel Bilson & 'Lovable' Jennifer Aniston

This Means War star Reese Witherspoon celebrated Valentine's Day on the set of Conan last night. Getting in the spirit, Reese shared her celebrity crushes — girl crushes, that is!

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"I have a girl crush on Rachel Bilson because I think she's so cute," Reese told Conan O'Brien on his show. "I also have a major girl crush on Jennifer Aniston. But, I mean, doesn't everybody have a girl crush on Jennifer Aniston?"

"Dogs have crushes on Jeninfer Aniston," Reese Joked. "There are dogs that are like, 'I wish it were me in Marley & Me. She's so cute.' "

But Reese's crush shouldn't come as a surprise. She recently revealed her crush while presenting Jen an award. "I played her younger sister on Friends mainly so I could meet Jennifer Aniston," she explained. "She's just so lovable and amazing."

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Reese also admitted she is in love with Pinterest!

“From what I can sort of see, it’s mainly for women and it’s mainly just a collection of the most amazing, wonderful craftiness on Earth!” she gushed.

Who is your celebrity crush, and are you Pinterest-obsessed, too?

Check out OK!'s Pinterest!