Tennis star Serena Williams attends the launch of her Berlei Bras News Photo - Getty Images

The Sports Bra Brand That Serena Williams Has Been Wearing For 10 Years Is Now Available In The U.S.

Serena Williams shows off Berlei bra at lingerie event ahead of Australian Open

Tennis Player Serena Williams attends the Berlei Sports Bras Launch News Photo - Getty Images

Serena Williams shows off abs, Berlei sports bra

Berlei Sports Bras Launch At Macy's With Serena Williams [PHOTOS]

Serena Williams flaunts athletic body in Berlei sportswear

Berlei Sports Bras Launch At Macy's With Serena Williams [PHOTOS]

4,466 Model Athlete Star Stock Photos, High-Res Pictures, and Images - Getty Images

Serena Williams Flashes Her Bra at Pre-US Open Event: Photo 3742556, Rafael Nadal, Serena Williams, Venus Williams Photos

US tennis Champion Serena Williams and models attend Berlei Sports News Photo - Getty Images

Serena Williams bounces into action ahead of the Australian Open as the face of Berlei sports bras - Mirror Online

Tennis star Serena Williams attends the launch of her Berlei Bras News Photo - Getty Images