Macpherson and Soffer dated for two years before breaking up last March, and now the two are back together and engaged, an unnamed source told Access Hollywood.
The source said Macpherson will move to Miami, where Soffer is based, to live with her fiance.
Both Macpherson and Soffer have been married before; Macpherson to photographer Gilles Bensimon from 1986 to 1989. She also has two sons, ages 10 and 15, from a previous relationship.
Swim Week Miami Beach 2014 [PHOTOS]