PHOTOS: My Furry ValentineFrom Taylor Swift's one constant to Carrie Underwood's other guy, see who really has a hold on these celebs' hearts


So beloved is the country star's dog Ace that he attended her 2010 wedding to hockey player Mike Fisher – in a pink tuxedo, no less. "He's like my kid," she told PEOPLE. And No. 1 fan, fur sure.

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