"Soulmate" is a song written and produced by Natasha Bedingfield, Mads Hauge and David Tench for Bedingfield's second album, N.B. (2007). The song is written in the key of E-flat minor and set in 44 time. Bedingfield's vocals range from F3 to D♯5. The lyrics discuss if there is a soulmate for everyone and if Bedingfield will ever find the right partner. The song was released as the album's second single in July 2007. It was a commercial success, and the most successful single from N.B., reaching number seven in the United Kingdom and the top forty in the majority of the charts it entered. "Soulmate" is also the fourth single released in 2008 for the North American version of N.B., titled Pocketful of Sunshine.

Natasha Anne Bedingfield is an English singer and songwriter. She released her debut album, Unwritten, in 2004, which contained primarily up-tempo pop songs and was influenced by R&B music. It enjoyed international success with more than 2.3 million copies sold worldwide. Bedingfield received a Grammy Award nomination for Best Female Pop Vocal Performance for the title track "Unwritten", and at the 2005 and 2006 Brit Awards, she was nominated for Best British Female Artist. Unwritten also produced her only UK number one, "These Words".