Beyonce and Jay Z perform at LeBron James' Wedding

Beyonce and Jay Z performed "Crazy in Love" at LeBron James and Savannah Brinson's wedding reception.

Beyonce and Jay Z performed at LeBron James' wedding reception on Saturday (September 14, 2013).

Beyonce and Jay Z, who have been married since 2008 and have a 21-month-old daughter Blue Ivy, were among the 200 guests at the Miami Heat forward's star-studded wedding to Savannah Brinson at the Grand Del Mar Hotel in San Diego.

The private performance came just days after the 32-year-old singer and her rapper husband returned from a luxurious family holiday.

They were photographed sailing around Italy's Sorrento Coast with their daughter after flying there to celebrate Beyonce's birthday on September 4, following her headlining performance at the Made in America festival in Philadelphia on August 31.

Other guests at the wedding included the NBA star's teammate Dwayne Wade and his actress girlfriend Gabrielle Union.

The newlyweds organized a three-day celebration for their marriage that will end with a casual brunch.

Savannah, 27, and LeBron met in high school and have two sons together.

The U.S. basketball star, 28, popped the question just after midnight on January 1, 2012 in Miami Beach, Florida, in front of several of his teammates.

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