Nick Jonas, the littlest of the Jonas Brothers of Disney fame, has called it quits with his smoking hot older girlfriend, Australian singer Delta Goodrem.

Nick and Delta have decided to mutually end their relationship, a representative for Goodrem told People magazine in a statement. At this point in time, they are both focused on their careers as they go on different paths. 

The match was an interesting one for that particular one-third of the singing group: He is 19 and she is 27.

Now that a Jonas brother has broken up with yet another high-profile gal, let's take a walk down memory lane and look at some of their past relationships.

The names are all big -- and quite lovely -- but these romances were just not meant to last past adolescence.