The 55-year-old singer revealed the music mogul - who discovered her on "Britain's Got Talent" - chose all of the songs for her new album 'A Wonderful World' and she trusts him completely, reported Contactmusic.
"I had a lot of fun making it. Simon picked the songs. I'll always put my trust in Simon - he's a genius. I don't see that much of him, but I hear from him a lot," she said.
The album is a collection of covers of famous love songs and Susan is thrilled with the romantic record.