Shah Rukh Khan visits KJo and Ranbir on the set of Ae Dil Hai Mushkil

King Khan said it was a treat to watch Ranbir and Karan make their dream come alive

It's raining stars on the sets of Karan Johar's latest directorial Ae Dil Hai Mushkil as King Khan graced the film's set in London.

All prepped to surprise his friend KJo, the Bollywood megastar took his kids to visit the director and Ranbir Kapoor on the set of the upcoming film.

After their visit, SRK tweeted a picture with the dynamic duo and said: "Was a treat to watch both make their dream come alive."

Was a treat to watch Ranbir & Karan make their dream come alive. The kids loved it 2.Thx Aye Dil team hav a good one. pic.twitter.com/Ct5Sc2ZKsy

— Shah Rukh Khan (@iamsrk) September 27, 2015

Read: Ae Dil Hai Mushkil: Imran Abbas reaches set, clicks selfie with Ranbir

To which KJo thanked his 'bhai' on Twitter:
https://twitter.com/karanjohar/status/648252059888844800

SRK was moved by the director's response and wished him success for the upcoming film: "Insha Allah it will b the biggest film u hav ever made..."

@karanjohar Insha Allah it will b the biggest film u hav ever made & u hav made sum really Big films!Lov 2 ur happy team. Thx for the Koffee

— Shah Rukh Khan (@iamsrk) September 27, 2015

Read: Here's Ranbir Kapoor's special Eid message, courtesy Imran Abbas

KJo also shared a picture of Ranbir Kapoor celebrating his birthday on the sets of ADHM:
https://instagram.com/p/8Jlyi6I35p/

Those cakes sure do look delicious!

Earlier, Ranbir had said that he would be working on his birthday and no special plans were underway. “I had been told that one should feel special [on their birthday], however, no one has ever been able to meet those expectations and that is why I feel it is better to be working,” he said.

Read: Trouble in paradise for Ranbir and Katrina?

Neither did the actor seem too keen on celebrating his birthday with girlfriend Katrina Kaif -- who is also in London for the shoot of her film Baar Baar Dekho. However, on the day of his birthday, the actress was spotted on the set of his film, chatting away with Karan Johar.

PHOTO: PINKVILLA

Pakistani actors Fawad Khan and Imran Abbas are also playing roles in Ae Dil Hai Mushkil, other cast members include Anushka Sharma and Aishwarya Rai.

The film is slated to release next year.