By Alan Johnson Strictly Come Dancing star Giovanni Pernice is reportedly being supported by bosses of the BBC show amid “deeply offensive” allegations made against him by his celebrity dance partner, Amanda Abbington. On Sunday it was claimed 51-year old Amanda has demanded footage of her rehearsals with the Italian from the Beeb after seeking legal advice. The 2023 Strictly series was blighted by rumours of a feud between the pair, with actress Amanda calling it quits five weeks into the competition citing personal reasons. She fuelled speculation further last month by failing to show for th…