'Young Tiger' NTR turns 37 today. Fans have been celebrating the powerhouse performer's birthday and the hashtag #HappyBirthdayNTR has been trending in India. Many celebs including Chiranjeevi, Ram Charan, K Raghavendra Rao, Kalyan Ram, SS Rajamouli, Anushka Shetty, Sai Dharam Tej, Rakul Preet Singh, Sudheer Babu, Radhika Sarath Kumar, Khushbu Sundar, MM Keeravani, Vennela Kishore, Sunil, Rana Daggubati, Gunasekhar and many political personalities too have wished the 'RRR' actor. Here are celebs' tweets about NTR on his birthday: