In 2000, which member of the Spice Girls had a number-one UK hit with "I Turn to You"?

"I Turn to You" is a song by British singer-songwriter, Melanie C. It was released as the fourth single from her debut solo album, "Northern Star". It was released on 7 August 2000 in the United Kingdom and became Melanie's second UK number-one single. It sold 120,000 copies in its first week, altogether selling 360,477 copies, making it the twenty-seventh best-seller of 2000 in the UK.

Melanie Jayne Chisholm (born 12 January 1974), better known as Melanie C or Mel C, is an English singer, best known as one of the five members of the Spice Girls, during which time she was nicknamed Sporty Spice.

She rose to fame with the Spice Girls in 1996. In their first two years the Spice Girls released two consecutive number-one albums and eight number-one singles from nine worldwide hits. They had the biggest-selling debut single of all time and the biggest-selling album in music history by a girl group, respectively with "Wannabe".