Sarah Close found fame online after launching her YouTube channel in 2010 to showcase her talent as a cover artist, with her most popular video, her version of The Hills by the Weeknd, amassing 4.

3 million views. The Isle of Wight-born, London-based singer, who has 750,000 subscribers to her channel, released her debut single Call Me Out in March, which beat Katy Perry to the top spot in the Official Physical Singles Top 100 in April. The 22 year old celebrated its success with a YouTube video capturing the moment she signed a record deal with music label Parlophone, home to artists such as Coldplay, David Guetta and Blur. After appearing at British Summer Time Hyde Park as a support act to Justin Bieber this year, the young musician is currently finishing a sold out tour of the UK.