Victoria Beckham has revealed how she came to be known as 'Posh Spice' – admitting that it wouldn't have been her "first choice" of nickname.MORE: Victoria Beckham's most unusual eating habits revealedThe fashion designer shared a note on her Victoria Beckham Beauty Instagram account, in which she told thousands of followers: "I was given the name Posh in 1996 over lunch with Peter Loraine of Top of The Pops Magazine and the rest of the Spice Girls. WATCH: Inside David and Victoria Beckham's