You wrote Selena (the tejano singer) except this is Serena (the tennis player).
Serena Jameka Williams is an American professional tennis player. She has been ranked singles world No. 1 by the Women's Tennis Association for 319 weeks, including a joint-record 186 consecutive weeks, and finished as the year-end No. 1 five times. Wikipedia
Born: September 26, 1981 (age 40 years), Saginaw, MI