Veteran actress known as `Dream Girl’ and politician Hema Malini is overjoyed to become a grandmother. Her younger daughter Ahaana Deol Vohra has delivered a son. The baby was born on Thursday noon. The 66-year-old actress, who is married to actor Dharmendra, took to micro-blogging website Twitter to announce the news and share her joy. “Thk u all for ur good wishes. Yes Ahaana has delivered a baby boy & we are all so thrilled! Mother & baba are fine,” Hema tweeted. Ahaana, a trained Odissi dancer, tied the knot with Delhi-based businessman Vaibhav Vohra on February 2, 2014.