Beady Eye, Blondie and Ellie Goulding have already been confirmed to headline the concerts.
The Somerset House Summer Series will be held in the courtyard of one of London's most famous buildings and will run between July 7 and 17.
Professor Green, Hurts and My Morning Jacket will also headline shows, with further acts added as support.
Tickets for the Somerset House Summer Series are on sale now with prices ranging from £22.50 to £35.00.
Florence Welch broke down on stage during a show at London's Somerset House last summer.
The full lineup is as follows:
- Eels with Jesca Hoop (July 7)
- Professor Green with Ed Drewett (July 8)
- Stornoway with Cloud Control (July 9)
- Aloe Blacc with Dionne Bromfield, Yasmin and special guests (July 10)
- Imelda May with Big Boy Bloater and Vintage Trouble (July 11)
- Beady Eye with Miles Kane (July 12)
- Blondie with Friends Electric (July 13)
- Hurts with Gaggle and Saint Saviour (July 14)
- Ellie Goulding with The Knocks (July 15)
- Lamb with Delilah (July 16)
- My Morning Jacket with The Head and The Heart (July 17)