The 27-year-old actress said she is "happy" with her new innings on the small screen.
"Enough guessing!! HAPPY to announce #ShotgunJunior is going to be a part of Indian Idol Junior," Sonakshi posted on Twitter.
With the show, the "Action Jackson" star has joined the likes of Amitabh Bachchan, Salman Khan, Shah Rukh Khan, Aamir Khan, Govinda, Karan Johar among others who are regular on small screen.