Filmmaker Karan Johar turned a year older on May 25 and hosted a grand bash celebrating his 50th birthday. The who's who of Bollywood, Telugu industry  were in attendance for this party at Yash Raj Studios in Mumbai. From Gauri Khan to Raveena Tandon, Varun Dhawan to Sidharth Malhotra, Vicky Kaushal-Katrina Kaif to Hrithik Roshan-Saba Azad, Kiara Advani to Rashmika Mandanna, Vijay Deverakonda to Shahid Kapoor, it was a night to remember. The dance floor was lit and every other celeb performed their hearts out