Take a Look Back at the Jonas Brothers' Famous Relationships

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Joe Jonas, Demi Lovato and Nick Jonas in 2010
Dimitrios Kambouris/Getty Images for Full Picture

The three eldest Jonas Brothers are all married or engaged now, but before they put rings on their beloveds' fingers, they dated quite a few other famous faces. Can you remember them all? From Demi Lovato to Taylor Swift, click through the gallery to reminisce about their past loves.