Bollywood superstars Shah Rukh Khan and Salman Khan, who will be seen together onscreen after a long gap in the latest episode of `Bigg Boss Nau`, took a selfie together while shooting for the reality show. The duo even gave their signatures on the photograph which went viral on social media.

The image, posted on the official Twitter handle of Colors, sees the two superstars posing together in front of the camera.

The image was captioned: `#BhaiBhai`.

Shah Rukh appeared on `Bigg Boss Nau` to promote his latest release `Dilwale`, which also stars Kajol, Varun Dhawan and Kriti Sanon.

In the special episode, Shah Rukh and Salman relived their 1995 film `Karan Arjun` days by entering on the famous dialogue `Mere Karan Arjun aaenge`.

According to a source on the set, the duo got nostalgic while shooting with the `Dabangg` actor.

#BhaiBhai pic.twitter.com/q3NlKxG1Y2

— COLORS (@ColorsTV) December 20, 2015

`Shah Rukh said that he felt very nostalgic while shooting for the show on the 'Karan Arjun' theme and added that the shooting with Salman was too much fun,` the source said.

`Salman said that he watched the movie again a few months ago and he got emotional when he saw the particular scene in which the two brothers die. He's happy to share the stage with Shah Rukh after a long time,` the source added.

"Bigg Boss Nau" features celebrity contestants in a game of survival wherein they are locked in an isolated house for around three months sans the luxuries they are used to, under 24X7 camera surveillance.