As a singer she released the her self-titled debut studio album in 1998 and it reached #1 in the UK. McDonald released the album Inspiration in 2006 which reached #6 in the UK. She also released the albums Love at the Movies in 2001, You Belong to Me in 2005, Jane in 2008, Singer of Your Soul in 2014, and Hold the Covers Back in 2017. In 2000 she authored her autobiography Follow Your Dreams.