Billie Jean King laughs at event on the 7th Anniversary of the signing of the Lilly Ledbetter Fair Pay Act

Tennis great Billie Jean King laughs while attending an event where President Barack Obama delivered remarks marking the 7th Anniversary of the signing of the Lilly Ledbetter Fair Pay Act in the Eisenhower Executive Office Building in Washington DC, January 29, 2016. Photo by Molly Riley/UPI