Salman Khan`s niece, Ayat Sharma, will celebrate her fourth birthday on December 27, and the family organized a lavish pre-birthday party today. Family and Bollywood celebs, including Salim Khan, Helen, Arbaaz Khan, Shilpa Shetty-Raj Kundra, Esha Deol, Sunny Leone, Neil Nitin Mukesh, Riteish Deshmukh, Genelia D`Souza, Kajal Aggarwal, Sania Mirza, and more, spotted at Birthday Bash.