Cuban-American singer Gloria Estefan performs during a concert in Panama City, Thursday, Oct. 15, 2009. (AP Photo/Monica Rueda)

In this Thursday, Jan. 7, 2010 photo, Emilio Estefan is shown in his office in Miami Beach, Fla. (AP Photo/Lynne Sladky)

FILE -- This is a June 25, 2009, file photo showing singer Gloria Estefan, left, and her husband Emilio Estefan, right, after receiving jerseys from Miami Dolphins owner Stephen M. Ross, center, during a news conference announcing that the Estefans are joining the Miami Dolphins football team as minority owners, at Landshark Stadium in Miami. (AP Photo/Jeffrey M. Boan)

Part owner of the Miami Dolphins Stacy Ann Ferguson, also known as Fergie, sings the National Anthem before the NFL week 1 football game against the New England Patriots on Monday, September 12, 2011 in Miami Gardens, Florida. The Patriots won the game 38-24. (AP Photo/Paul Spinelli)

Jan 3, 2010; Miami, FL, USA; Singer Fergie takes the field before the game against the Pittsburgh Steelers and the Miami Dolphins at Land Shark Stadium. Mandatory Credit: Steve Mitchell-US PRESSWIRE

USA's Serena Williams returns the ball to France's Virginie Razzano during their first round match in the French Open tennis tournament at the Roland Garros stadium in Paris, Tuesday, May 29, 2012. (AP Photo/Christophe Ena)

Venus Williams returns the ball during a Madrid Open tennis tournament match against Angelique Kerber from Germany, in Madrid, Monday, May 7, 2012. (AP Photo/Andres Kudacki)

Serena and Venus Williams announce the tennis stars had become minority owners of the team during a press conference at the Miami Dolphins training complex in Davie, Fla. Tuesday, Aug. 25, 2009. (AP Photo/J Pat Carter)

Puerto Rico's Marc Anthony pop singer performs at the 53rd annual Vina del Mar International Song Festival in Vina del Mar, Chile, Thursday Feb. 23, 2012. (AP Photo/Jorge Saenz)

Stephen M. Ross, left, owner and managing general partner of the Miami Dolphins, presents Marc Anthony a Miami Dolphins jersey during a news conference announcing his minority ownership in the team Tuesday, July 21, 2009 in New York. (AP Photo/Evan Agostini)