Wow, there's no mistaking his resemblance to Don Johnson. He has none of Steven Bauer's cuban looks AT ALL...
But actually, Melanie was with Don Johnson before AND after Steven Bauer. She was married to him twice. And apparently they never really lost touch.
From imdb:
Spouse
Antonio Banderas(
14 May 1996 - present) 1 child
Don Johnson(
26 June 1989 - February 1996) (divorced) 1 child
Steven Bauer(
8 September 1981 - 1987) (divorced) 1 child
Don Johnson(
8 January 1976 - July 1976) (divorced)