Sonu, along with Rahat Fateh Ali Khan, will judge children's music show "Chote Ustaad" on Star Plus and he will sport a new hairdo, a revamped wardrobe and a well-toned body.
"Sonu has been meticulously planning his look as he wants to look young and contemporary. His wife Madhurima has also been involved in putting together the desired look for her husband, " said a statement.
The show will showcase the singing prowess of children from both India and Pakistan.