Miley Cyrus gives Selena Gomez the middle finger during live performance

Los Angeles - Miley Cyrus' friendship with Selena Gomez reportedly "turned sour" in 2008 because of Nick Jonas.

The Wrecking Ball hitmaker sparked rumours of a feud when she performed her track FU while holding a crude cardboard cut-out of the brunette beauty with her middle finger up before throwing it defiantly into the crowd during her Bangerz World Tour in Milan, Italy on Sunday night, and friends close to the duo claim they have had issues since they both dated the former Jonas Brothers star.

A source close to Selena, 21, told E! News that she has always taken the "high road" with Miley, but has never really liked her.

The insider added: "This has been going on for a while."


(Greatstock/Splash)

Meanwhile, a friend close to Miley said: "Their issue dates back to their Disney days... Things turned sour after Miley broke up with Nick Jonas in late 2007. The following year, Nick began seeing Selena and that is when the beef blew up."

The controversial cardboard cutout, created by a fan, featured a photograph of Selena's head on a half-naked body.

While it appears there's no love lost between Miley, 21, and Selena, the blonde singer is good friends with her rival's on-again, off-again boyfriend Justin Bieber.

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