Belle Amie were an English pop girl group based in London. They were formed during the seventh series of The X Factor in 2010. The band originally consisted of Esther Campbell, Sophia Wardman, Rebecca Creighton and Geneva Lane. Their debut single, "Girls Up", was released in August 2011. Lane had left the group in early January 2011 and Creighton left in April 2012 in order to pursue a solo career.