Serena Williams - My favorite sports bra brand, #BerleiUSA is finally available in the US! I've been wearing these bras for over 10 years! It's an essential in my gym bag, on

My favorite sports bra brand, #BerleiUSA is finally available in the US! I’ve been wearing these bras for over 10 years! It’s an essential in my gym bag

Serena Williams channels Flashdance in Berlei 'Do it for yourself

Serena Williams bounces through to the next round in Miami but

SEXY Serena posts pictures in Lingerie (PICS INSIDE)

Serena Williams Wearing Berlei Sports Bra on Instagram

Serena Williams - My favorite sports bra brand, #BerleiUSA is

Serena Williams on Confidence, Sports Bras, and Body Image

Serena Williams's Favorite Sports Bra Is Available in the U.S. for

Serena Williams - My favorite sports bra brand, #BerleiUSA is

Serena Williams's Favorite Sports Bra Is Available in the U.S. for

Serena Williams shows off her abs and curves in Berlei bra

Serena Williams

Serena Williams At In-Store Appearance For Berlei Sports Bras U.S.

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Serena Williams Wearing Berlei Sports Bra on Instagram