The Spice Girls have been invited to perform at Queen Elizabeth’s Platinum Jubilee concert. A huge gig will take place to celebrate the monarch’s 70-year reign and Emma Bunton, Geri Horner, Mel B, Mel C and Victoria Beckham have been asked to perform. A source told The Sun newspaper’s Bizarre column: “BBC bosses are determined to put on a show to remember and what band is more iconic than the Spice Girls? “The invitation has been made and it’s now in the hands of the girls. “It’s no secret they regret turning down a similar opportunity for the Diamond Jubilee and they all have a deep respect f…