She moved in with him about a month ago and they're always kissing and cuddling.
"They've been dating for about a year and they are moving things forward by living together in a trial marriage.
10 beauty Bo Derek and her Sex And The City hunk beau John Corbett have decided to take their romance up a notch higher - by embarking on a trial marriage.
The lovebirds have set up house together in Corbett's West Hollywood, California, condominium and are now checking out life as a married couple, say friends.
They're friendly and smile at everyone." According to American tabloid the STAR, the move comes after Derek spotted Corbett's co-star in My Big Fat Greek Wedding, Nia Vardalos, licking his face backstage at an awards show.
Derek reportedly gave her lover an ultimatum to choose her or Nia.
When Greg Gatlin buys a restaurant nearby her shop, they decide to date.