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

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

Serena's Grand year: Making history, making waves, making us jealous

Serena's Grand year: Making history, making waves, making us jealous

16,852 Models Sports Nyc Stock Photos, High-Res Pictures, and Images - Getty Images

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

Serena's Grand year: Making history, making waves, making us jealous

Serena William's Favourite Sports Bra – SportsBra

140,134 Serena Williams Photos & High Res Pictures - Getty Images

Serena Williams' 10 Best Red Carpet Moments Ever

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

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