Phil Collins & Marilyn Martin - "Separate Lives"

The answer to the trivia question: what female artist scored a #1 hit in 1985 with Phil Collins thanks to the song "Separate Lives" is Marilyn Martin.  You would think that teaming up with Phil for a power ballad would be the beginning of a long, fruitful career, but it instead proved to the the highlight of Marilyn's career.  So now, we'll go on living...separate lives.