Bhandarkar, who made a special appearance in his 2008 directorial "Fashion", will be seen walking the ramp as part of the grand finale of a beauty pageant in the film, which features Tusshar Kapoor, Shreyas Talpade and Minissha Lamba.
"It (the scene) is a grand finale of Glamarama Beauty Pageant organised by Tusshar and Shreyas, who play rival event managers in the film.
Madhur plays a celebrated film director who is the special chief guest of the evening. He walks the ramp as well along with Minissha and Pia Trivedi in the film, " producer Sunil Chainani of Horseshoe Pictures said in a statement.
"Hum Tum Shabana" is co-produced by Horseshoe Pictures and Alliance Entertainment Ltd. It will release Sep 23.