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OTRC: Beyonce joins Jay-Z at Barclays Center concert - See photos

Beyonce on stage at the Barclays Center in Brooklyn, New York, on October 6, 2012. (Robin Harper & Lenny Santiago / Beyonce.com)

Beyonce made a surprise appearance at her husband Jay-Z's concert at the Barclays Center in Brooklyn, New York, on Saturday October 6.

Donned in black leather, Beyonce took to the stage and performed her song "Diva." She later performed a duet with Jay-Z to their hit single "Crazy in Love," according to the New York Daily News. Beyonce also stopped by to close out the set with Jay-Z's hit "Young Forever," where she sang the song's chorus.

The show was live streamed on YouTube on Jay-Z's Life + Times channel on Saturday night.

The newspaper reported that the rapper actually traveled from Manhattan to the concert venue in Brooklyn by train. He took photos with other passengers and was accompanied by some of his own security as well as plain clothes police officers.

The concert was the last of eight sold-out concerts for the week that the rapper performed at the newly open Barclays Center.

Last month, the rapper slammed reports that Beyonce was pregnant with their second child.

Beyonce gave birth to the couple's first child, a daughter named Blue Ivy Carter, on January 7. It is the first child for the singer and Jay-Z. The couple has been married since 2008.

In May, the singer talked about how she lost 60 pounds to get in shape for her series of comeback concerts in Atlantic City, New Jersey.

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