LA QUINTA, CA - MARCH 10: Singer Justin Bieber plays tennis at the 11th Annual Desert Smash Hosted By Will Ferrell Benefiting Cancer For College at La Quinta Resort and Club on March 10, 2015 in La Quinta, California. (Photo by Frazer Harrison/Getty Images for Desert Smash)
US First Lady Michelle Obama plays tennis while attending a mini-Olympics event with local school children at American University's Bender Arena March 13, 2012 in Washington, DC. The event is in celebration of the 2012 London Summer Olympics and the First Lady's "Let’s Move!" children fitness initiative. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP via Getty Images)
British singer Sir Elton John plays tennis in a celebrity double match during the Advanta WTT Smash Hits charity, 14 September 2006 at the Bren Center on the UC-Irvine Campus, south Los Angeles. This charity tennis match is organised to benefit the Elton John AIDS Foundation and AIDS Services Foundation Orange County. (Photo by Gabriel BOUYS / AFP) (Photo by GABRIEL BOUYS/AFP via Getty Images)
NEW YORK - SEPTEMBER 06: Television host Ellen Degeneres returns a shot to Melanie Oudin (not pictured) during day eight of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 6, 2010 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Mike Stobe/Getty Images for USTA)
