Britney Spears' upcoming North American tour is scheduled to keep the singer out on the road for most of the summer, but she will take a brief detour in order to play at the site of tennis' U.S. Open in Flushing Meadows, New York on August 28Spears won't be there practicing her serve and volley game, however, as the teen star has instead been tapped to perform at a special concert being held as part of this year's Arthur Ashe Kids' Day Event. Aside from the Spears concert, the all-day festival will include tennis clinics, games, and celebrity matches featuring the likes of Pete Sampras and John McEnroe. Last year, the Backstreet Boys headlined the charity concert, while the event included appearances from Bill Cosby, Andre Agassi, Martina Hingis, and Venus and Serena Williams, among others. Proceeds from the festival will be donated to the Arthur Ashe Foundation, which promotes education and bringing the sport of tennis to kids and inner-city youths. The stadium
concert will be held at noon two days prior to the start of this year's U.S. Open (slated for August 30 through September 12), and will be taped for broadcast on CBS on August 29.