Photos: Serena Williams poses nude on the cover of Vanity Fair in her first pregnancy shoot, reveals how she met her fiance

Serena Williams bared her growing baby bump in her first ever pregnancy shoot. The 35-year-old tennis pro covers the August issue of Vanity Fair, wearing nothing but a skin-toned thong and belly chain for photographer Annie Leibovitz, and opens up about how she met her fiance, Reddit co-founder Alexis Ohanian and the baby they are expecting. The couple first met at a hotel in