Aamir Khan was invited as a guest on the show but he declined the offer as he thought the content of the show was an insult to other stars.
Salman was once invited on the show, but declined, because he was scared that Karan (the host) would ask personal questions like, marriage, girlfriends and breakups.
In the episode 7 of the first season, Amitabh Bachchan didn't signed his name on the mug.