Mollie Elizabeth King (born 4 June 1987) is an English singer-songwriter. She is best known for being a member of girl group The Saturdays. In the Saturdays, Kin has successfully enjoyed thirteen top-ten and eight top-five singles, including the UK no.1 hit What About Us on the UK Singles Chart and five top-ten albums on the UK Albums Chart. Before The Saturdays, King was a member of another girl group, Fallen Angelz, with whom she appeared on The X Factor. In 2015, King signed a solo deal with Island Records.

On 7 August 2017, Mollie was the first contestant announced for that year's series of BBC's Strictly Come Dancing.