Britney Spears Shows Ample Assets, Bedazzled Bra In Vegas

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When in Vegas ...

Britney Spears dressed the part of a Sin City performer on Saturday at the iHeartRadio Music Festival. Brit Brit worked it in a black sleeveless, low-cut tuxedo jacket that showed off her assets and black bedazzled lace bra. The songstress also bared her toned, tanned legs in dress shorts. Vegas will soon be Britney's part-time home when she begins her two-year Vegas residency show in December at Planet Hollywood Resort & Casino.

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Brit rubbed elbows backstage with the woman of the hour, Miley Cyrus. The two embraced while crossing paths. Britney recently defended Miley's slew of racy behavior in an interview with Extra, saying that the girl "is on fire right now."

"I remember that age when I was just transferring into my career and doing more controversial things and the energy that you feel and all this chaos that goes on," she said.

Brit will also appears in Miley's upcoming MTV documentary, The Movement, and on a track for her new album "Bangerz."