Alesha lets rip on Cowell after 'nobody' comments

Simon Cowell has sparked a war with 'Britain's Got Talent' co-judge by undermining her credibility.

The argument erupted when dance group Lil' Diamondz - who won Alesha's 'Street Dance Stars' on CBBC last September - appeared at the Birmingham auditions of the ITV1 show, and the 33-year-old star proudly gushed that they hadn't let her down.