"Ki and Ka", Balki's fourth film as a director, stars Arjun Kapoor and Kareena Kapoor Khan in the lead.
"Excited working with Balki on his new film KI and KA 'loved all his films and now a chance to work with him," Malhotra posted on Twitter.
The designer's recent creation on the silver screen was "Bajrangi Bhaijaan", where he made Kareena's wardrobe.