J. Lo steals the night at 'Fashion Rocks' -- or one of her most famous assets did

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J. Lo steals the night at 'Fashion Rocks' -- or one of her most famous assets did
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Larry Busacca/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 at the Barclays center on September 9, 2014 in New York, United States. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 at the Barclays center on September 9, 2014 in New York, United States. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 at the Barclays center on September 9, 2014 in New York, United States. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs at Fashion Rocks 2014 at the Barclays center on September 9, 2014 in New York, United States. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs at Fashion Rocks 2014 at the Barclays center on September 9, 2014 in New York, United States. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez performs onstage at Fashion Rocks 2014 at the Barclays center on September 9, 2014 in New York, United States. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez attends Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez attends Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez attends Fashion Rocks 2014 at the Barclays Center on September 9, 2014 in New York City. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - SEPTEMBER 09: Jennifer Lopez attends Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Fashion Rocks)
NEW YORK, NY - SEPTEMBER 08: Jennifer Lopez is seen on September 8, 2014 in New York City. (Photo by NCP/Star Max/GC Images)
NEW YORK, NY - SEPTEMBER 08: Jennifer Lopez is seen on September 8, 2014 in New York City. (Photo by NCP/Star Max/GC Images)
NEW YORK, NY - SEPTEMBER 08: Singer Jennifer Lopez is seen in the Meat Packing Distric on September 8, 2014 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - SEPTEMBER 05: Jennifer Lopez is seen in the Meat Packing District on September 5, 2014 in New York City. (Photo by Alo Ceballos/GC Images)
TODAY -- Pictured: Jennifer Lopez appears on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
TODAY -- Pictured: Jennifer Lopez appears on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
TODAY -- Pictured: (l-r) Hoda Kotb, Jennifer Lopez and Kathie Lee Gifford appear on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
NEW ORLEANS, LA - AUGUST 27: Jennifer Lopez is interviewed by press as she arrives at the Ernest N. Morial Convention Center on August 27, 2014 in New Orleans, Louisiana. (Photo by Erika Goldring/Getty Images)
INGLEWOOD, CA - AUGUST 24: Recording artist Jennifer Lopez attends the 2014 MTV Video Music Awards held at The Forum on August 24, 2014 in Inglewood, California. (Photo by Tommaso Boddi/WireImage)
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BY ELIZABETH WAGMEISTER, HOLLYWOODLIFE.COM
EDITED BY AOL

Dang, J. Lo!

During a performance of her song 'Booty,' Jennifer -- or should we say her most famous asset! -- stole the night at 'Fashion Rocks,' an annual international charity fundraiser, this year held at the Barclays Center in Brooklyn, New York.

The 45-year-old triple-threat sizzled as she unashamedly bared her back side as she stormed the stage.

Clad in a sequined minidress, Jenny From the Block's appearance had many a fan wondering if she is in fact aging backwards.

The 'Booty' singer was in great company, performing among Luke Bryan, The Band Perry, Nicki Minaj, Rita Ora, Pitbull, Usher, KISS and Afrojack at the Fashion Week fest, which was hosted by Ryan Seacrest.

The concert (televised on CBS, 9/8c) celebrates the relationship between music and fashion.

Watch the full performance below:

Jennifer Lopez's Performance at Fashion Rocks


In case you missed it, Justin Bieber had his own 'Fashion Rocks' moment. While on stage with model Lara Stone introducing Rita Ora, he responded to booing -- a spectacle seemingly staged -- by stripping down to his 'Calvins' while all his Beliebers at home stared at their TVs in disbelief. Click through to see him in action.

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justin bieber strips at fashion rocks
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J. Lo steals the night at 'Fashion Rocks' -- or one of her most famous assets did
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Justin Bieber speaks onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Presenters Justin Bieber and Lara Stone speak at Fashion Rocks 2014 at the Barclays center on September 9, 2014 in New York, United States. (Photo by Jeff Kravitz/FilmMagic)
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Singer-songwriter Justin Bieber presents onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Justin Bieber speaks onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: Justin Bieber speaks onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Kevin Mazur/Getty Images for Three Lions Entertainment)
NEW YORK, NY - SEPTEMBER 09: (L-R) Singer-songwriter Justin Bieber and model Laura Stone present onstage at Fashion Rocks 2014 presented by Three Lions Entertainment at the Barclays Center of Brooklyn on September 9, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Three Lions Entertainment)
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More Jennifer Lopez News:
Jennifer Lopez & Iggy Azalea Release Sexy 'Booty' Remix - Listen
Jennifer Lopez Steals Ariana Grande's Signature Ponytail - Beauty Battle
Jennifer Lopez Strips Down & Hooks Up With Younger 'Boy Next Door' - Watch Trailer

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