Turns out it was her 36-year-old BFF - Peterborough-born, Toronto-based Soho House consultant Markus Anderson - who is thought to be the guy who actually set up the Suits actress with the prince when she was on European holidays.
The couple chatted with children and family members watching the match, while also laughing, smiling and whispering to each other.
'Well I think it would be quite marvellous and I hope it would be quite marvellous for him and obviously it will help to bring us together, ' he said.
Look at them holding hands and looking cute!
Markle, who lives in Toronto, appeared at the games' opening ceremony this weekend, cheering from the stands while Harry sat four rows and a section away beside US first lady Melania Trump. Prince Harry is due to watch all of them.
Petty Officer Aaron Gibbs had an unforgettable audience with the couple today at the Invictus Games in Toronto.
The typically low-key lovebirds looked relaxed and happy as they sat together during a wheelchair tennis match, and even held hands while entering (and again while exiting) the event - a rare sight for any royal couple.
Although they met in London previous year, the twosome have spent plenty of time in Markle's adopted hometown of Toronto, where "Suits" is filmed.
Prince Harry and girlfriend Meghan Markle marked their coupledom publicly for the first time at the Invictus Games in Canada on Monday.
Harry, 34, was seated in the VIP box, alongside US First Lady Melania Trump, Canadian Prime Minister Justin Trudeau and Ukrainian President Petro Poroshenko. "It's, of course, very serious and both Harry and Meghan are focused on the future", an insider confirmed.
Meghan recently told Vanity Fair they are in love.
But among all the fanfare and excitement, did we all miss a massive hint that suggests the pair have taken their relationship to the next level?