Serena Williams on X: I've been wearing @BerleiUK Sports Bras for

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

Serena Williams shows off her abs and curves in Berlei bra

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

Serena Williams Makes A Sports Bra Look Red-Carpet Ready

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

Serena Williams and Berlei Shift Sports Bra, Why our Berlei Shift sports bras sell out so quickly ( . ) ( . ), By SportsBra Ltd

Serena Williams on X: I've been wearing @BerleiUK Sports Bras for 10 yrs and am so excited that they will be available in the US in Aug!! / X

Did you know Serena Williams has been wearing Berlei Sport bras ever since her mother discovered them in a MYER store while in Melbourne

Serena Williams on Confidence, Sports Bras, and Body Image - Serena Williams Launches Berlei at Macy's

Serena Williams shows off abs, Berlei sports bra