Myleene Klass has shared an unseen photo of King Charles III and Queen Camilla as she opened up on a completely "nerve wracking" moment playing her harp in front of the Royal Family.The musician and former Hear'Say star, who appeared on I'm A Celebrity... Get Me Out Of Here! South Africa earlier this year, was treating her fans to some details about her history playing the string instrument. Her reveal came as the reality TV star was announcing she is due to host a special orchestral performance at British Summer Time Hyde Park this summer.