The Duchess of Cambridge was all smiles as she watched Serena Williams make her way out onto Centre Court at Wimbledon on Tuesday.
Kate, 37, stood up from her seat and gave a round of applause as Meghan's friend of ten years competed in her Ladies' Singles first round match against Giulia Gatto-Monticone of Italy during day two of the championships.
The US tennis ace, who first met the Duchess of Sussex at a Super Bowl party in 2010, rocked a cut-out tennis dress, Nike trainers and a semi-sheer duster jacket.
After stepping out onto the court, she received a huge roar from the audience - including beaming Kate, who could be seen clapping from in the Royal Box.
The stylish royal opted for a sleek white custom-made £1,850 Suzannah shirt dress with a small bow and a slender Alexander McQueen belt.
Earlier in the day, she turned heads as she visited Aorangi Park to see the practice courts, and stopped for a chat with Wimbledon Champion Andy Murray. Read more from The Daily Mail.