Hema, who has been married to Dharmendra for 24 years now, took to Twitter to wish the star and thanked his fans for their greetings.
"Dharamji's b'day today and my thoughts are all with him as he is shooting in Punjab," Hema, 66, twitted.
"I must thank all his numerous fans from all over the world who have been sending best wishes for their hero's b'day to both of us. Thank you all!" she later added along with a photo of the actor from Punjab.
Hema is Dharmendra's second wife and the couple have two daughters -- Esha and Ahana Deol.
"Happy birthday papa. Love you," she tweeted along with an old black-and-white photo of Dharmendra.
Dharmendra is also father to Sunny, Bobby, Vijeeta and Ajeeta, his kids with first wife Prakash Kaur.