Prince Harry Made a Secret Visit to Girlfriend Meghan Markle in Toronto

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Prince Harry's romance with Suits actress Meghan Markle is heating up.

A source tells ET that the 32-year-old royal visited Meghan in Toronto, Canada -- where Suits is filmed -- just this past weekend, before flying back to the U.K. Meghan, 35, is also apparently already a big hit with Harry's tight circle of friends.

"Meghan has met Harry's close inner circle of friends," the source says. "They really like her, and like that he is happy."

WATCH: Prince Harry Reportedly Dating Meghan Markle -- 13 Things to Know About the 'Suits' Actress

"Harry has been smart in how he's handled this, only telling certain people," the source adds about the rumored couple's low-key relationship.

Reports broke over the weekend that Harry has been quietly dating Meghan -- whom he reportedly met through a mutual friend this past May -- when he was in Toronto to promote the Invictus Games.

"He is very into Meghan, it's a bit of a whirlwind romance," royal expert Katie Nicholl tells ET. "They've been dating very secretly for the past three months."

The two also appear to have plenty in common. Meghan is a UN Women Advocate, and clearly shares Harry's love for humanitarian work.

WATCH: Prince Harry Reportedly Dating 'Suits' Star Meghan Markle

Watch the video below to learn more about the American actress who's reportedly stolen Prince Harry's heart.

-- Additional reporting by Jennifer Peros

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