As celebrities started arriving [1] at St George's Chapel in Windsor to celebrate the marriage of Prince Harry and Meghan Markle [2], among the 600 guests [3] was Serena Williams, looking like a glowing goddess in a Versace dress.

The tennis star and close friend of Meghan [4] arrived in Windsor with her husband, Alexis Ohanian. Ahead of her arrival at the chapel, she shared sweet photos of her getting-reading process on Instagram, including a cute appearance from baby Alexis [5]. Ahead, get a closer look at Serena looking radiant as she arrives for her friend's big day.