The actress even rocked a burgundy eyeshadow to keep within the monochrome color scheme, but kept the rest of her makeup pared down.
"When we look at previous generations in the Royal Family, often the courtship was comparatively short before an engagement", she says.
Overall, it made for a look that was classic and elegant but still fun and on-trend.
US first lady Melania Trump, on her first solo worldwide trip on Saturday, to Toronto, met with Canadian Prime Minister Justin Trudeau and invited Britain's Prince Harry to visit the White House. On stage for the opening of the games, prince Harry, the creator of this competition is a sport which is attended by soldiers and former soldiers of war, the wounded and disabled. His girlfriend, Meghan Markle, has been subject to a wave of abuse and harassment'.
In November, the couple went a step beyond what commoners might call "Facebook official" when Harry's press secretary released a statement decrying the "wave of abuse and harassment" Markle was exposed to, merely for being the prince's paramour.
Harry, seated a quarter of a stadium away, occupied a VIP box alongside Canadian Prime Minister Justin Trudeau, US First Lady Melania Trump and Ukraine's President Poroshenko.
A photo of Prince Harry and Melania Trump has become the centre of speculation after eagle-eyed fans noticed the royal appearing to make a weird hand gesture.
During the eight-day Games, Harry will visit training sessions and watch participants competing in all 12 sports, including athletics, cycling and wheelchair basketball. "We're two people who are really happy and in love".