Inside Pics! Ranbir, Sidharth, Saif and Bebo Party Hard at KJO's Bash

We know that Karan Johar celebrated his birthday in style at a London hotspot and partied all night long with his famous friends. Seen here are Ranbir Kapoor, Sidharth Malhotra, Saif Ali Khan and his beautiful begum Kareena Kapoor Khan, among others. Buzz is that it was a informal and fun bash with lots of music and exquisite food.

KJO shared some pictures on his social networking handle saying, “#perpetualposers and the nawab.”

Karan clocked 44 years on 25th. The genius filmmaker shared an emotional message while posing with Aryan Khan saying, “When you feel older and prouder at the same time….kids are a strong reminder of how time flies.”