Nicole Marie Appleton is a Canadian-British singer and television presenter. She is a member of the British girl group All Saints and the pop duo Appleton with her elder sister Natalie Appleton.

All Saints are an English girl group formed in London in 1993. They were founded as All Saints 1.9.7.5 by music manager Ron Tom. with members Melanie Blatt, Shaznay Lewis, and Simone Rainford. The group struggled to find commercial success upon being signed to ZTT Records and were dropped by the label shortly after Rainford left the group. In 1996, the group were joined by Canadian sisters Nicole and Natalie Appleton and signed to London Records under their shortened name.