Tennis star Serena Williams graces cover of 'Vanity Fair'

SAN FRANCISCO (KGO) -- Tennis star Serena Williams graced the cover of "Vanity Fair" as she prepares to become a mom for the first time.

The 35-year-old Wimbledon champ is showing off her growing baby bump on the cover.

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This is for the August issue of the magazine. Williams details how she found out she was pregnant - taking six pregnancy tests.

She also reveals how she fell in love with her fiancé, Alexis Ohanian, the co-founder of San Francisco-based Reddit.

The couple is planning to get married in the fall, after the baby is born.

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