Suki Waterhouse, Mk.Gee, Vampire Weekend and more are also set to perform at the Parisian music bash
Vampire Weekend, IDLES, Pixies and TV On The Radio are among the other names on the bill
Geese and Turnstiles will be serving as opening support on select dates
The band were named the MusiCares Persons Of The Year at the annual ceremony in Los Angeles
The festival will mark Rilo Kiley's first performance together in 17 years
Also performing are Noah Kahan, Maren Morris, Norah Jones, Sammy Hagar and others
Tyler, The Creator, Olivia Rodrigo, Hozier and Luke Combs have been revealed as headliners
Avril Lavigne, Vampire Weekend, Sheryl Crow and Cage The Elephant are also set to appear
Including songs by Vampire Weekend and Tom Petty
Others lined-up for the Southsea festival include Michael Kiwanuka, Travis, The Last Dinner Party and Madness