Allu Arjun is the best celebrity father in town. We had seen him celebrate every important occasion related to his son Ayaan in a grand manner. Even the First Birthday celebrations of the Mega Kid will be no different.On April 4th, Allu Ayaan turned ONE. Bunny planned his son's maiden birthday in Singapore. "Spent my son Ayaan's 1st birthday in Singapore !," claims a Proud Father.