Vickers, who was a finalist on the 2008 season won by Alexandra Burke, has opened up a lead at the top of around 50% with newly issued debut RCA single Once, according to OCC figures.

Another newly released track, Until You Were Gone by Jive/RCA's Chipmunk featuring Esmee Denters, is around 10,000 sales behind in second place at this stage in the week, followed closely by another RCA release, OMG by Usher featuring will.i.am. This track topped the singles chart ...