Mumbai: Legendary actor Dilip Kumar's 91st birthday was attended by stars like Dharmendra and Asha Parekh. His family and doctors were also part of the quiet celebrations. The actor turned a year older Wednesday.Asha Parekh, who recently lamented that she hasn't yet got a chance to work with Dilip Kumar, is said to have spent quality time with the thespian and his wife Saira Banu.The celebrations also saw writer Salim Khan and Helen in attendance, while from the younger lot there was Rani Mukerji, a source told IANS.A team of 30 to 40 doctors who have looked after him, also participated in the party of the star of films like "Devdas", "Madhumati", and "Mughal-E-Azam".