LAS VEGAS, NV  [Wednesday Nov.9.2005]  /RedBoxCode.com/ -- Fans at U2's Las Vegas show last Saturday night got a treat when Mary J. Blige and the Killers' frontman Brandon Flowers joined the band onstage.

RollingStone.com reports that Blige added vocals to "One" off U2's 1991 album "Achtung Baby," and Flowers sang along on "In A Little While" from U2's 2000 release "All That You Can't Leave Behind."

Blige was also U2's special guest at two other shows on the band's current tour in support of their latest album "How To Dismantle An Atomic Bomb."

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