Kicking mega fans into more excitement, none other than Pawan Kalyan is expected to join the chorus to celebrate Megastar Chiranjeevi's 60th birthday celebrations. On coming August 22nd, Chiru will celebrate his 60th birthday and huge celebrations are planned at Gachibowli stadium in Hyderabad. Guess who is the chief guest. Highly placed sources revealed that Mega brother Nagababu invited Pawan Kalyan as chief guest for this project. Janasena President has immediately agreed to turn at the event because he always maintains that mega brother Chiru is inside his heart.On August 22nd, Megastar Chiranjeevi will also announce his landmark 150th film.