The 37-year-old tennis pro has been longtime pals with the Duchess of Sussex, and during Meghan and Prince Harry's royal tour of Australia, New Zealand, Fiji, and Tonga in October, the new royal wore a blazer from Serena’s clothing collection. This took her friend by surprise.
"We were all just coming out of a photo shoot for the brand when we heard that Meghan wore our line,” Serena tells Marie Claire. "We had sent stuff to her awhile ago, so we were excited to see it. I’ve known her for years, and it’s cool to see your friend help you out without even trying.”
The 37-year-old duchess had just announced her first pregnancy days before rocking the look, and all eyes were on her. It was a key time to throw her friend a fashion credit.
"She just wanted to look good and wear a blazer. The next thing you know it’s our blazer,” Serena muses to the magazine. "I was like, ‘Meghan, thanks!’ And she was like, ‘Why are you thanking me? We’re friends!’”
Looks like Serena takes that friendship very seriously as her response to the Duchess rocking her duds was to create even more pieces in her honor.
"Since that blazer sold out, now we just have special pieces that are specifically made for Meghan and we send those to her,” she reveals. "It’s been fun creating them.”
The friends have remained close since Meghan became a member of the royal family. Serena and her husband, Alexis Ohanian, attended Meghan and Harry's royal wedding in May at Windsor Castle.
A month prior, a source told ET that Meghan had been surrounding herself with close friends since marrying Harry, and one such pal in her inner circle was Serena.
"Meghan doesn’t have a huge circle of friends and the recent weekends with Serena and Jessica were just what she needed,” the source said, adding that she was coping with family stress and her new duties thanks to "the support of her husband and BFFs.”