Revealed: every glamorous gown Kate Middleton has worn to the Royal Variety Performance

All eyes were on Kate Middleton as she joined Prince William for the Royal Variety Performance at the Royal Albert Hall. The Prince and Princess of Wales put on a display of black tie brilliance as they grace the annual celebration as guests of honour – and the Princess of Wales debuted a new green gown for the occasion.

For her five previous outings at the annual event,…