Cheryl was mocked by one of tonight’s Britain’s Got Talent Acts, Jess Robinson Impressionist Jess Robinson first impressed the Britain’s Got Talent judges when she channelled the likes of Sharon Osborne, Julie Andrews and Britney Spears in her first audition. But, it was the impressionist’s take on Cheryl which really got tongues wagging in tonight’s semi-final. Battling for her place in the…