While her husband looked dapper in a navy blue ensemble, the duchess was a total sophisticate in a black, single-buttoned blazer and wide-leg pants by Altuzarra with a folded satin blouse from Deitas layered underneath.
While the pantsuit trend has taken over the world this year, the couple's latest look in shades of blue and black is proof that it shows no signs of stopping.
Oz joins Meghan Markle's beagle, Guy, who made the move with her from Canada to England when she married Prince Harry, and the two seem to be getting on well. For that event, the Duchess also went the suited route with a tailored tuxedo dress by Judith & Charles.
Celebrity stylist and PR Rochelle White told Femail: 'Megan has been mindful this evening in regards to her outfit. According to People, the Queen wasn't really happy about it since she prefers that women in the royal family wear dresses and skirts instead of trousers. Do you think she'll get used to it eventually?
Meghan's first appearance at the event saw her interacting with all the winners, sharing jokes, a hug and receiving gifts along with her husband.
Dispute in arrest of Chinese billionaire
Founded in 1998, the Fortune Global 500 company is China's second-largest e-commerce firm and an aggressive competitor of Alibaba. Trade in JD.com shares is set to resume on Tuesday as US markets are closed for the Labor Day holiday on Monday.
Polished separates are something of a signature look for the royal family's newest style icon.
The royal newlyweds met winners from each award category and their families at a star-studded reception prior to the awards.
She has been praised for her "great zest for life" and her "courage, strength and determination".