The Duchess of Sussex made sure she was court-side to support her good friend and world-class tennis player Serena Williams compete in the Wimbledon tennis Championships in July, so it's no surprise that she was there to cheer her on again, this time at the US Open final in New York City.
According to People, Meghan bet jet lag by heading to a yoga class shortly after touching down in the Big Apple.
Meghan and a friend joined a 60-people-strong class at Modo Yoga, which offers hot yoga classes in an eco-conscious studio in the West Village neighbourhood.
"There were lots of sweet, knowing smiles" among the attendees, a source tells People.
"She has been going to Modo Yoga for many years and tries to do so whenever she is in New York," the source says.
"It was the perfect remedy for jet lag."
The following day the new mum sat courtside at the US Open in Serena Williams' box at Arthur Ashe Stadium where she was taking on Bianca Andreescu in the finals, sitting behind Serena's husband Alexis Ohanian and in front of Vogue editor-in-chief Anna Wintour.
Sadly for Serena and her supporters – also cheering her on in the stands included models Gigi Hadid, Cara Delevingne, actress Ashely Benson and director Spike Lee – she missed out on the win, beaten by 19-year-old Canadian Bianca.
According to a source who spoke to The Times, it was a whirlwind, "last-minute trip", who explained Meghan was "excited to support her friend, and then come back."
Meghan's last-minute trip also explains why she and Harry decided not to visit the Queen at Balmoral this weekend, with the couple and Archie previously expected to travel to the Scottish estate at the weekend, before it was reported earlier last week that those plans had changed.
The last time Meghan jetted off to the US was in February, to celebrate Archie's upcoming arrival, where she was joined by a bunch of A-list friends, including Serena and Amal Clooney, who threw her a lavish baby shower in NYC.
It's reported her generous friends picked up the bill for the extravagant event with Tatler magazine reported Serena paid for the whopping NZD $110,270-a-night bill for the penthouse suite where Meghan had stayed, and where the baby shower was held – the Upper East Side hotel The Mark.
The shower reportedly began with a flower-arranging session, followed by a dessert-tasting experience overseen by The Mark hotel's head chef.
CBS This Morning presenter Gayle King was a guest at the baby shower, and following the baby shower told her co-host and viewers that the flower arrangements made by the guests were later donated to charity.
"We all made an individual vase," Gayle revealed.
"Then Meghan, at her request, got in touch with an organisation I've never heard of, called Repeated Roses, and they were all donated to different charities.
"I thought that was a very sweet thing... It just speaks to who she is. She's kind, she's very generous, and a really, really sweet person."
WATCH: Gayle King spills on Meghan Markle's baby shower. Story continues below...
On Meghan's arrival back to London, she's scheduled to be launching her capsule clothing collection on September 12th, a collaboration between UK department stores Marks & Spencer, John Lewis and fashion label Jigsaw.
The collection will include women's essential workwear and will benefit one of patronages Smart Works, by working on a one-for-one basis – for every item sold, an item will be donated to Smart Works, a charity which helps unemployed women get back into the workforce with confidence.
Following the launch she'll no doubt be gearing up for the royal tour to southern Africa, which will mark the Sussexes' first official international tour as a family-of-three and makes Archie the youngest royal to embark on one, at just four months old.
The royal family will touch down in South Africa on September 23rd. While Meghan's visits are said to be all based in South Africa, Prince Harry will be making short trips to the neighbouring countries of Botswana, Angola and Malawi.
Prince Harry recently revealed on Instagram that he "can't wait" to introduce Meghan and Harry to South Africa.
"We'll see all of you very soon."
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