See pics! Sidharth celebrates his 33rd birthday with mentor Karan Johar

Bollywood actor Sidharth Malhotra celebrated his 33rd birthday today and his mentor Karan Johar and other friends from the film industry rang in his birthday with an intimate bash, held last night. Pictures and videos from the bash are doing rounds on social media. The ace filmmaker also posted Insta-story in which he asked Sidharth to say "something on his birthday."A string of Bollywood celebrities, including Shraddha Kapoor, Abhishek Bachchan, Kriti Sanon, his 'Aiyaari' co-star Rakul Preet Singh and Riteish Deshmukh among others wished the actor a year full of happiness and love on Twitter.