Amitabh Bachchans grand daughter Navya Naveli Nanda bash in to  her 19th birthday in style. She had a rocking party with her rocking celeb buddies. Apparently, Saif Ali Khans daughter Sara was also one of the guests. The beautiful daughter of Saif and Amrita is seen here joining in the fun. Both Navya and Sara are said to have their eye on  to Bollywood. After taking social media by storm, these Gen X celebs  will create quite some hit in Bollywood for sure !!