Twitter feed of Royal's youngest ever principal, who was compared to Nureyev and Baryshnikov, had suggested dissatisfactionWhen Sergei Polunin, 21, walked out of rehearsals with the Royal Ballet on Tuesday and said he would not be coming back, the world of dance was stunned.The next day, the Ukrainian dancer was rehearsing for three shows this weekend at Sadler's Wells after spending the night at the London Tattoo Co…
