Distance isn't keeping Meghan Markle from supporting bestie Serena Williams! On Saturday, the 38-year-old royal attended the Us Open in NYC to cheer on her pal at Arthur Ashe Stadium; Serena was bested by 19-year-old Bianca Andreescua, who made history as the first Canadian to win a Grand Slam title. At the event, Meghan glowed in a buttoned denim dress as she smiled in the stands and chatted with Vogue Editor in Chief Anna Wintour. She also spent time with Serena's mother, Oracene Price, and shared a hug with the tennis star's husband, Alexis Ohanian. We last saw Meghan join a tennis crowd in July when she and sister-in-law Kate Middleton hung out at Wimbledon.

Meghan's sporty outing comes just a couple of weeks before she takes off on an African tour with Prince Harry and their 4-month-old son, Archie. The trio will begin the trip on Sept. 23 in Cape Town before Harry visits Botswana,...