Alia Bhatt threw a bash on her 26th birthday eve which was attended by her close friends and family members. Ranbir Kapoor, who will be seen with Alia in Brahmastra arrived at the party. Ranbir and Alia are dating each other and as per reports, they are planning to tie the knot. Ranbir was not in a mood to pose for pictures. Alia's sister Pooja Bhatt was also spotted arriving at the bash. Brahmastra director Ayan Mukerji arrived to wish the birthday girl Alia's father Mahesh Bhatt outside the house. Karan Johar, who gave the big break to Alia in Bollywood also attended the party. Shutterbugs capture Alia and her friends spending quality time inside the house.