The couple are parents to Fenton, 20, Emilia, 19 and Bertie, 10, while Patsy shares son Charley, 29, with ex Alfie Rothwell.
They lived in Brighton before moving across the pond in 2014 to set up home in Malibu with their children and dogs.
She was lead singer of the band Eighth Wonder from 1983 to 1989.