Ajay took to Instagram to share a beautiful picture of Kajol along with a sweet birthday note that perfectly reflected their fun loving relationship. The actor wrote, “Turns out my best jokes have had the same audience all these years ❤️ Happy birthday Kajol.” Their different personalities have always made them one of Bollywood’s most loved couples. Kajol and Ajay Devgn have been married since 1999 and remain one of the strongest celebrity couples in the film industry. Ajay’s birthday message may have been short, but it spoke volumes about the comfort, friendship and love they have built over the years.