Strictly head judge Shirley Ballas has caused fury among the dance show fans over her scoring of certain dancers on Saturday’s show. Viewers took to social media to brand the 64-year-old Ballroom legend “Shirley Biased”. The Only Way of Essex star Pete Wicks performed a powerful Couple’s Choice routine dedicated to his late grandmother. The 36-year-old fought back tears as he and pro dancer Jowita Przystal spoke to the judges. While all four judges praised the performance, with Craig Revel-Horwood describing the performance as “moving and beautiful,” Ballas was glowing with praise. The head ju…