Tennis star Serena Williams introduced her little bundle of joy to the world, sharing the new baby's photo on Instagram. The baby girl, Alexis Olympia Ohanian, Jr., weighed 6 pounds, 14 ounces. Williams, 35, gave birth earlier in the month and revealed there were problems that kept her hospitalized. "So we're leaving the hospital after 6, 7 days, it's been a long time, but we had a lot of complications but look what we got, we got a baby girl," she said in her Instagram stories.