The event, which celebrated its 50th anniversary last year, will return to Seaclose Park, Newport from June 13-16. Tickets go on sale this Friday, January 25.
Gallagher, who is returning to the festival for the first time since 2012, will top the bill on the opening night, with Ezra, who will be playing his biggest UK headline slot to date, to follow on Saturday. Special guest Fatboy Slim will play a late night set in the wake of Ezra's performance. Biffy Clyro, who last played Isle Of Wight Festival in 2015, will then close the event on the Sunday.
Also joining the line-up for this year’s event are Anne-Marie, Bastille, Courteeners, Dean Lewis, DMA’s, Freya Ridings, Gerry Cinnamon, Idles, James, Jax Jones and Jess Glynne.
Other artists announced today include KT Tunstall, Lily Allen, Madness, Miles Kane, Mystery Jets, Richard Ashcroft, Rick Astley, Sam Fender, Sigala, Sigrid, The Coral, Tom Walker, Wild Front and Hacienda Classical.
Subscribers can click here for last year's cover story with Isle Of Wight Festival promoter John Giddings and here for his favourite IOW performances. To subscribe and never miss a big industry story, click here.