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This May 5, 2014 file photo shows Jay Z, left, and Beyonce at The Metropolitan Museum of Art's Costume Institute benefit gala celebrating "Charles James: Beyond Fashion" in New York. The Standard Hotel in New York City says it is investigating the leak of a security video that appears to show Beyonce's sister, Solange, attacking Jay Z. Asked about the video on Monday, May 12, by The Associated Press, the hotel issued a statement saying it is "shocked and disappointed that there was a clear breach of our security system." (Photo by Evan Agostini/Invision/AP, File) ( People-Jay Z-Beyonce )

Solange Knowles attends The Metropolitan Museum of Art's Costume Institute benefit gala celebrating "Charles James: Beyond Fashion" on Monday, May 5, 2014, in New York. ( 2014 MET Museum Costume Institute Benefit Gala )

Jay-Z and Beyonce attend Game Four of the Eastern Conference Semifinals during the 2014 NBA Playoffs at the Barclays Center on May 12, 2014 in the Brooklyn borough of New York City. (Photo by Elsa/Getty Images) ( 488650005EG00031_Miami_Heat )

Jay-Z, Beyonce and Solange Knowles, left, stop for a photo as they try to find their seats as they arrive for the inauguration ceremony at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Jae C. Hong) ( Obama Inauguration )

Solange performs during the Coachella Valley Music and Arts Festival at the Empire Polo Club in Indio, CA, Saturday, April 19, 2014. (Photo by Jennifer Cappuccio Maher/Inland Valley Daily Bulletin) ( ####_FEA_IDB_L-CMF-SOLANGE )

Entrepreneur and singer/songwriter Jay-Z, left, and his wife, singer Beyonce, watch Game 4 of the Brooklyn Nets second-round NBA playoff basketball game against the Miami Heat at the Barclays Center, Monday, May 12, 2014, in New York. (AP Photo/) ( Heat Nets Basketball )

Singer Solange Knowles attends Met Gala 2014 - Departures From The Carlyle in New York City. (Photo by Thos Robinson/Getty Images for The Carlyle) ( MET Gala 2014 - Departures From The Carlyle )

Singers Beyonce (L) and Solange perform onstage during day 2 of the 2014 Coachella Valley Music & Arts Festival at the Empire Polo Club on April 12, 2014 in Indio, California. (Photo by Imeh Akpanudosen/Getty Images for Coachella) ( 479916543CG00167_2014_Coach )

Beyonce, right, and her sister Solange arrive at the grand opening of Jay-Z's 40/40 Club at the Palazzo hotel and casino in Las Vegas, Monday, Dec. 31, 2007. (AP Photo/Jae C. Hong) ( 40 40 Club Las Vegas )

Beyonce Knowles, center, and her sister Solange, left, watch Jay Z's headlining set with California First Lady Maria Shriver during the first day of the Coachella Valley Music and Arts Festival in Indio, Calif., Friday, April 16, 2010. (AP Photo/Chris Pizzello) ( Coachella Festival Day One )

Solange performs during the Coachella Valley Music and Arts Festival at the Empire Polo Club in Indio, CA, Saturday, April 19, 2014. (Photo by Jennifer Cappuccio Maher/Inland Valley Daily Bulletin) ( ####_FEA_IDB_L-CMF-SOLANGE )

This May 5, 2014 file photo shows Solange Knowles, sister of Beyonce Knowles, at The Metropolitan Museum of Art's Costume Institute benefit gala celebrating "Charles James: Beyond Fashion" in New York. The Standard Hotel in New York City says it is investigating the leak of a security video that appears to show Beyonce's sister, Solange, attacking Jay Z. Asked about the video on Monday, May 12, by The Associated Press, the hotel issued a statement saying it is "shocked and disappointed that there was a clear breach of our security system." (Photo by Evan Agostini/Invision/AP) ( People-Jay Z-Beyonce )

Jay Z and Beyonce attend The Metropolitan Museum of Art's Costume Institute benefit gala celebrating "Charles James: Beyond Fashion" on Monday, May 5, 2014, in New York. ( 2014 MET Museum Costume Institute Benefit Gala )

(L-R) Actress Jessica Biel, singer Beyonce, rapper Jay-Z and singer Solange Knowles attend the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS) ( 161029190PH00068_The_55th_A )

Designer Phillip Lim Solange Knowles attends the "Charles James: Beyond Fashion" Costume Institute Gala at the Metropolitan Museum of Art on May 5, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images) ( 488636577ED00177_Charles_Ja )

Jay Z and Beyonce attend The Metropolitan Museum of Art's Costume Institute benefit gala celebrating "Charles James: Beyond Fashion" on Monday, May 5, 2014, in New York. ( 2014 MET Museum Costume Institute Benefit Gala )