Shahid Kapoor has been throwing one party after another as all in his family except him celebrated their respective birthdays within two weeks. After celebrating daughter Misha's birthday last month and son Zain's birthday earlier this week, Shahid again hosted a birthday bash for wife Mira Rajput. Farhan Akhtar with Shibani Dandekar, Riteish Deshmukh and Genelia Deshmukh and Shahid's bike …