妮科拉·罗伯茨，Nicola Maria Roberts (born 5 October 1985) is an English recording artist and songwriter. After auditioning and successfully completing the reality television series and competition Popstars The Rivals, Roberts became part of girl-group Girls Aloud. Their debut single "Sound of the Underground" topped the UK Singles chart. This success helped them win the competition and they were later entered in Guinness World Records as the most successful reality television music-group. The group enjoyed 20 consecutive top ten singles, spawning five albums and positive critical responses. During her time with Girls Aloud, Roberts received negative press attention for her pale skin tone and ginger hair which left her depressed with her fame.