In 2015, Nicol began her rise to fame as a member of the London-based band Chasing Midnight. In just six months, she and her bandmates attracted 10,000 YouTube subscribers by posting original songs and covers of George Ezra and Ariana Grande tracks.
Several years before joining Chasing Midnight, she launched a successful acting career, playing the recurring role of Pene Hart on the television comedy series My Phone Genie.
In June 2015, she and her musical collaborators participated in YouTube's popular "Bean Boozled Challenge."
She appeared with Emily Watson in the 2014 movie Testament of Youth.