"Northern Star" is a song by British singer-songwriter Melanie C. It is the title track from her debut solo album and was released as the album's second single on 22 November 1999. It was written by Melanie C and Rick Nowels. The song was produced by Marius De Vries and received positive reception from music critics. The single charted at number four on the UK Singles Chart, becoming her third top-five single. It additionally reached the top 20 in Finland, Italy, and Sweden. In the United Kingdom, the single sold 216,000 copies as of June 2017.

Melanie Jayne Chisholm, professionally known as Melanie C or Mel C, is an English singer, songwriter, dancer, DJ, records businesswoman, actress, tv personality, fitness model and writer. As one of the five members of the Spice Girls, she was nicknamed Sporty Spice and throughout her career her combined sales surpass 135 million records. As a member of the group she released the biggest-selling debut single of all time with "Wannabe" and the biggest-selling album in music history by a girl group with Spice, becoming part of the best-selling girl group of all time with over 105 million records sold and of the second global cultural and media phenomenon after Beatlemania. As a band member she holds, together with The Beatles, the record for consecutive UK Christmas number ones, with three singles. She is considered by many critics as the vocal epicenter of the band thanks to her wide vocal range, vocal agility, impressive versatility and her unique and distinctive tone. Chisholm holds the current record of attendence for a free concert within a public event thanks to her show on a float, during the 2019 Global Pride Tour, in the streets of Sao Paulo in front of 3.7 million people.