Both acts will play the Virgin Mobile Union Stage at the summer bash.
Other acts confirmed for the stage include Richard Hawley, Echo And The Bunnymen, Young Knives, Little Man Tate, The Long Blondes, Roots Manuva, James McManus, Paul Heaton and Goldie Lookin Chain.
Festival boss Bob Angus said: "Once again the lineup has raised the bar. The calibre of this year's talent on the Virgin Mobile Union stage is as strong as always."
V Festival takes place at Hylands Park, Chelmsford and Weston Park, Staffordshire on August 16 and 17.