Another Grand Slam for Roger Federer -- This Time It's Doubles

Tennis champion Roger Federer has had a good month. On July 5, he beat Andy Roddick in a grueling Wimbledon final to claim his 15th Grand Slam title. Then, on July 23rd, he became a dad of twin girls when his wife, Mirka, gave birth to Myla Rose and Charlene Riva in Switzerland. Although it was known that the couple were expecting, the arrival of twins was a surprise, revealed on his personal website and Facebook page.

Federer joins a growing class of celebrities and stars that are parents of twins. Find out who else:
• Celebrity Moms of Multiples
• Famous Dads of Twins Quiz
• Famous African-American Twins