By Mia O’Hare Giovanni Pernice has been supported by fellow Strictly Come Dancing star Anton Du Beke as he issued a message to fans. The professional dancer, 33, has been at the centre of a row regarding his behaviour on the BBC dance competition. He was partnered with actress Amanda Abbington on the latest series of the show, who quit half way through. The Sherlock star cited medical reasons, and later claimed she had been diagnosed with PTSD. It has been reported Amanda has demanded to see behind the scenes footage of her time with Giovanni. She the feud came to light, other former Strictly …