Nick Jonas, Delta Goodrem Nick Jonas, Delta Goodrem

Nick Jonas is back on the market.

The youngest Jonas brother has split from his girlfriend of nine months, Australian pop star Delta Goodrem. "Nick and Delta have decided to mutually end their relationship," Goodrem's rep announced in a press release. "At this point in time, they are both focused on their careers as they go on different paths."

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Jonas, 19, and Goodrem, 27, started dating in May, shortly after she ended her engagement to singer Brian McFadden. Jonas is currently appearing on Broadway in How to Succeed in Business Without Really Trying, while Goodrem is gearing up serve as a coach on the Australian version of The Voice, alongside Keith Urban, Seal and Joel Madden.