The British TV beauty and the 21-year-old rugby star have moved into a three-bedroom cottage in South West London after Danny decided to commit and finally move out of his mother's house.
A friend said: "They both felt it would be best to rent and see how they get along before buying somewhere. Danny's always lived at home and it was a bit of a wrench to leave his mum - but he knew he had to move out sooner or later."
It is thought the young rugby player asked Kelly, 29, to live with him during a recent romantic break in the Caribbean after he began spending more time at her trendy Notting Hill home.
The friend added: "They're very much in love and felt it was right to take the next step. Even though Danny is eight years younger, he feels Kelly is the one and wants to settle down with. They're enjoying the first few weeks of excitement you have when you move in with someone."
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