Miles Kane and Dutch Uncles are among the new additions to the line-up for this year's Underage festival in London.
Rizzle Kicks, Wolf Gang and Baio of Vampire Weekend will also perform at the event, which takes place in Victoria Park on August 5.
The event, which is aimed for attendees aged 13-17 years old, will features the previously announced Bombay Biycle Club, Brother and Frankie & The Heartstrings.
Other acts on the bill include Labrinth, The Chapman Family, Janelle Monae and Devlin.
Tickets are on sale now. For more details and to buy Underage festival tickets, check out Gigwise Gig Tickets.
For more information about Underage and all this summer's festivals, check out the Gigwise Festival Guide.
You can keep up to date with all the latest news from Gigwise by following us on Twitter and liking us on Facebook.


100 new names added to Camden Crawl 2012
Kaiser Chiefs to headline Guernsey Festival 2012
The Vaccines tipped as future Reading & Leeds headliners
Underage Festival announces first acts - tickets
Ms Dynamite, Pulled Apart By Horses Join Underage Festival 2011 Line-Up
Pulled Apart By Horses, Gavin And Stacey's Mat Horne Join Underage Line-Up
The hottest WAGs of rock and roll
The Enemy take 'Streets In The Sky' to Manchester
Who's tatt is that? Guess the rockstar from their body work