KJo also posted a pic of his favourite boy celebrating his birthday:
Then there was Kareena Kapoor Khan:
Actors Saif Ali Khan, Sidharth Malhotra and Ranbir Kapoor posed with KJo:
A nawabi selfie:
Amitabh Bachchan's daughter Shweta Nanda and her daughter Navya were also KJo's party guests:
Karan is in London to shoot his upcoming film Ae Dil Hai Mushkil in which he directs actors Aishwarya Rai Bachchan, Ranbir Kapoor and Anushka Sharma.
Shah Rukh Khan and Shweta Bachchan were there to attend their children Aryan and Navya's graduation ceremony, which took place on Monday. Aryan and Navya attended Sevenoaks School in Kent, England.
Gauri shared a few pics from the ceremony:
Navya shared some pictures on her own Instagram account, which is unverified: