From strolls in Santa Monica to cuddling in the Caribbean, Justin Bieber and Selena Gomez's relationship has been nothing short of a whiriwind. And J-14 has exclusively learned that even though they've only been dating for three months, they're already saying, "I love you!" In fact, sources tell J-14 that Justin was the first one to say those three words to Selena!

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"Justin's head over heels for her," a source tells J-14.

Do you think three months is too soon to say "I love you?" Are you surprised that Justin said it first?

Photos: Courtesy of Disney Channel

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