The Spice Girl playfully practised her new routine with partner Maksim Chmerkowskiy, entertaining onlookers as she laughed and joked her way through the session.
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Nice legs, shame about the outfit: Mel B is proving to be a hit on the US version of Strictly Come Dancing after she attained another perfect set of scores
Her casual look - Ugg boots, sweat pants and a vest - was in stark contrast to her get up on the show just hours earlier.
She was dubbed "Dominatrix Spice" after she took to the stage in black bra and barely-there hot pants to perform the Bossanova.
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Fooling around: Mel enjoys some downtime on the set of the US TV show with hunky partner Maksim Chmerkowskiy
It wasn't just her outfit that was impressive - she scored full marks for the routine, her second perfect score for the series.
The 32-year-old admitted she was struggling to juggle her Dancing with the Stars sessions with her Spice Girls rehearsals.
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Dominatrix: Mel took to the stage in black bra and barely-there hot pants to perform the Bossanova
She said: "I've got Dancing with the Stars and then in addition to that I'm learning 20 songs and 20 routines for the Spice Girls tour.
"I think because we're training late at night it's a little more difficult to grasp hold of the steps.
"The expectations are really high. I just hope that we can do it."
Mel B has won over legions of U.S. fans with her appearance on the popular show, and she is now tipped to win the competition.
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