Superstar Mahesh Babu and his wife Namrata Shirodkar's son Gautam turned 15 on Tuesday, and to make his day special, the two penned adorable posts on social media.

Taking to Instagram, Mahesh Babu wrote, "Happy 15 my son!! Watching you grow has been my greatest joy. Wishing you the best today and always! Go on and conquer the world Love you, GG."