Sharon Osbourne loves to collect “royal family memorabilia”. The 70-year-old TV star has lived in the US for more than two decades – but Sharon admits that she’s “obsessed” with collecting royal-themed memorabilia. She shared: “The most British thing I do is collect royal family memorabilia. I’m obsessed!” Sharon and her husband Ozzy have recently taken the decision to return to the UK. And the outspoken star has now encouraged her fans to spend some time in London, if they ever get the opportunity. Sharon – who was born in Brixton, in south London – told Us Weekly: “One place everyone should …