But she revealed she was unsure where the couple would raise their future children as they currently live in Los Angeles.
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She shared: "Having a family is something I think about for sure, and whether I'd live here in America or in England.
"But it's not always as simple as that. I have no idea what will happen, but it'll be interesting to find out, right? And nothing will be perfect, I'm sure."
Despite loving the LA lifestyle, Rosie recently confessed often feels homesick.
She said: "The one big downside is not having my family within reach. I would love to be able to invite them over for a roast dinner, or be able to say to my brother or sister, 'Why don't you pop over for a glass of wine tonight?' but I can't and it weighs heavily on me."
-Bang! Showbiz