Hyderabad, Oct. 30 -- Former tennis star Sania Mirza, who has always been admired for her strength both on and off the court, penned a heartfelt and emotional note for her son Izhaan Mirza Malik as he turned seven today, October 30. The sports icon, who often shares glimpses of her journey as a mother, took to Instagram to celebrate her son's special day with an emotional post that melted hearts online.

Sharing a series of adorable pictures of Izhaan from his growing-up years, Sania wrote, "How did you go from this to 7 in a blink of an eye? Happy birthday my brightest and kindest baby boy. you taught me the meaning of the most selfless kind of love I never knew existed."

Her words beautifully reflected the deep bond she shares with her...