Filmmaker Meghna Gulzar, renowned for her acclaimed works like 'Talvar,' 'Raazi,' and recently released 'Sam Bahadur,' marks her 50th birthday today amid a flood of wishes across social media platforms. Adding to the celebratory messages, Vicky Kaushal took to Instagram, posting an unseen heartfelt video of a 'birthday dance' shared with Meghna Gulzar.