India, Sept. 15 -- Bollywood superstar Akshay Kumar took to Instagram on Sunday to pen a heartwarming note for his son Aarav's 23rd birthday. Sharing a smiling selfie with him, the actor reflected on their bond with a mix of humour, pride and emotion.

"Happy 23rd, Aarav! When I was twenty three I was learning to beat up people on screen. it's a strange feeling now to see you beat me everyday right from tech to fashion to arguments on the dinner table. Dekhte hi dekhte itna bada ho gaya hai yaar tu.you make me feel like a proud sidekick in my own story Love you beta. Cheers to the best 23 years of my life because they've been with you," Akshay wrote.

The rare glimpse into his personal life instantly struck a chord with followers. Fans we...