Serena Williams and Karlie Kloss both debuted their baby bumps at the 2023 Met Gala, making a statement on the red carpet and sparking much excitement. Despite the famously strict "no plus ones" policy, the two expecting mothers made a splash at the star-studded event, with many people taking to social media to express their congratulations. The night was a memorable one for many reasons, but the debut of the two baby bumps certainly stands out.