Serena Williams is offering fans a glimpse into her life post-retirement. Things shifted, however, when host Savannah Guthrie raised the possibility of a potential return to professional tennis for Williams. After Guthrie noted that Williams had recently re-entered the International Tennis Integrity Agency’s drug-testing pool, the former world No. Serena Also Added Offered Details About Venus’ Bridal ShowerView this post on Instagram A post shared by Serena Williams (@serenawilliams)Williams also shared details from the bridal shower she hosted for her sister’s wedding. At the party, Serena explained that Venus had suggested an activity where different groups of four would compete in a lip-sync battle featuring Beyoncé’s songs.