Getting revved up: Amanda Holden arrives on motorbike at Britain's Got Talent studios ahead of tonight's first live semi-final

By JODY THOMPSON Racy lady: Amanda Holden arrived at the Britain's Got Talent studios this evening on the back of a motorbike to avoid the Bank Holiday traffic It's the moment that fans have been waiting for - the return of Britain's Got Talent head judge Simon Cowell on tonight's show. And his co-judge Amanda Holden was leaving nothing to chance when it came to getting to the show studios on