Confirming her relationship status, in an interview with Vanity Fair magazine, the "Suits" star said she is the same person, it is the people's perception that has changed.
"I can tell you that at the end of the day I think it's really simple. We're two people who are really happy and in love. We were very quietly dating for about six months before it became news, and I was working during that whole time, and the only thing that changed was people's perception.
The couple met in London through friends in July last year and reports of their budding romance started doing the rounds.
Markle, who was subjected to abuse and harassment when the news of the duo dating first broke, said being in a relationship with one of the most famous bachelors in the world does have some challenges.
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"It has its challenges, and it comes in waves - some days it can feel more challenging than others. And right out of the gate, it was surprising the way things changed. But I still have this support system all around me, and, of course, my boyfriend's support.
The actor, however, is focused on her relationship and is happy with the way things are going.
"We're a couple. We're in love. I'm sure there will be a time when we will have to come forward and present ourselves and have stories to tell, but I hope what people will understand is that this is our time. This is for us. It's part of what makes it so special, that it's just ours. But we're happy. Personally, I love a great love story.