Indie-rock band Razorlight are to headline the TT festival, according to the Department of Economic Development.
The band, which has sold more than four million albums, will play the Villa Marina on Friday, June 9.
The department has revealed the entertainment line-up for this year's festival, with Peel and Port Erin TT days, the Ramsey sprint, and the Peel Motorcycle Show.
Also making its usual visit this year is the TT funfair, which will be on Douglas Promenade.