Inside Beyoncé’s Atlantic City Concert Costumes

Sasha Fierce is back and better than ever!

Show Stopper - Beyonc? channels her inner showgirl in a feathery costume while performing this weekend at Atlantic City?s newly launched Revel resort in her first concerts since giving birth to daughter Blue Ivy.  (Photo: Kevin Mazur/WireImage)

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Show Stopper - Beyonc? channels her inner showgirl in a feathery costume while performing this weekend at Atlantic City?s newly launched Revel resort in her first concerts since giving birth to daughter Blue Ivy. (Photo: Kevin Mazur/WireImage)

Queen B - The new mom and World's Most Beautiful Woman revealed her amazing post-baby body in custom-made costumes truly fit for a queen.  (Photo: Kevin Mazur/WireImage)

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Queen B - The new mom and World's Most Beautiful Woman revealed her amazing post-baby body in custom-made costumes truly fit for a queen. (Photo: Kevin Mazur/WireImage)

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Star Studded - The inspiration for the sexy concert looks was ?modern showgirl,? Ralph & Russo designer Tamara Ralph tells People. (Photo: Kevin Mazur/WireImage)

Beyonc?, "Freakum Dress" - Listen to Beyonc?: Fashion is a weapon. With this 2009 single she shows the power of "pulling out the big guns" ? also known as putting on a small, tight dress.    (Photo: AP Photo/Parkwood Entertainment, Robin Harper)

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Beyonc?, "Freakum Dress" - Listen to Beyonc?: Fashion is a weapon. With this 2009 single she shows the power of "pulling out the big guns" ? also known as putting on a small, tight dress.  (Photo: AP Photo/Parkwood Entertainment, Robin Harper)

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Costume Ball - A team of 20 couturiers worked around the clock to complete the looks, which were embellished with more than 500,000 crystals from Swarovski Elements. (Photo: Kevin Mazur/WireImage)

Fit for a Queen - ?Beyonc? always delivers energetic performances and therefore we take into account the comfort and flexibility of each outfit and the ease of getting in and out of the pieces with quick costume changes,? adds co-designer Michael Russo. Perfect for the singer?s highly-charged concert comeback.  (Photo: Kevin Mazur/WireImage)

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Fit for a Queen - ?Beyonc? always delivers energetic performances and therefore we take into account the comfort and flexibility of each outfit and the ease of getting in and out of the pieces with quick costume changes,? adds co-designer Michael Russo. Perfect for the singer?s highly-charged concert comeback. (Photo: Kevin Mazur/WireImage)

Go Girl! - Highlights included ?Single Ladies (Put a Ring on It),? "Run the World (Girls),? ?Halo,? ?Countdown? and ?1+1.?   (Photo: Kevin Mazur/WireImage)

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Go Girl! - Highlights included ?Single Ladies (Put a Ring on It),? "Run the World (Girls),? ?Halo,? ?Countdown? and ?1+1.? (Photo: Kevin Mazur/WireImage)

Beyonce - Competing in the same category as Baker, Beyonc? is up for Best Traditional R&B Performance with her single "Love On Top."

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Beyonce - Competing in the same category as Baker, Beyonc? is up for Best Traditional R&B Performance with her single "Love On Top."