Hot mama! Fergie flashes her booty in leather leotard at concert

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Fergie's Newest Video Is a Star-studded Anthem for Moms

Fergie's pert posterior stole the show at her own show on Wednesday night. The 41-year-old singer performed her new track "M.I.L.F. $" during The Creative Coalition's Benefit Gala in Philly -- and it's safe to say nobody was able to take their eyes off of her as she showed off her smooth moves in a skintight leather leotard.

Fergie rocked the sexy leotard, which featured a plunging sweetheart neckline, with a silver, sparkling jacket and a set of over-the-knee leather boots. When the former Black Eyed Peas frontwoman turned around, she showed off the skimpy back of her leotard and the boots' scandalous lace-ups.

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Fergie's Hot Tour Ensemble
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Fergie's Hot Tour Ensemble
PHILADELPHIA, PA - JULY 27: Singer-songwriter Fergie performs during The Creative Coalition's Benefit Gala Featuring Fergie at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Gilbert Carrasquillo/Getty Images)
PHILADELPHIA, PA - JULY 27: Fergie and Taboo perform onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: Singer-songwriter Fergie performs during The Creative Coalition's Benefit Gala Featuring Fergie at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Gilbert Carrasquillo/Getty Images)
PHILADELPHIA, PA - JULY 27: Singer-songwriter Fergie performs during The Creative Coalition's Benefit Gala Featuring Fergie at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Gilbert Carrasquillo/Getty Images)
PHILADELPHIA, PA - JULY 27: Fergie performs onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: Fergie performs onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: (Exclusive Coverage) Ashley Judd and Fergie pose backstage before The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: Fergie performs onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: Fergie performs onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: Fergie performs onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: (Exclusive Coverage) Fergie and Taboo pose backstage before The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: Fergie performs onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: (Exclusive Coverage) Fergie and Dean Norris pose backstage before The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
PHILADELPHIA, PA - JULY 27: Fergie performs onstage during The Creative Coalition's Benefit Gala at The Electric Factory on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Kevin Mazur/WireImage)
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And all we have to say to that is -- if you've got it, flaunt it. It's nice to see the mother of son, Axl, out performing again after a brief hiatus from music.

The "Big Girls Don't Cry" singer is currently on tour with concerts coming up in both Los Angeles and Tokyo.

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