Over the weekend, the Firefly Music Festival returned to the Woodlands of Dover, DE for their seventh year in a row. The festival was topped by headliners Eminem, Kendrick Lamar, Arctic Monkeys, and The Killers, and included performances from ODESZA, Lil Wayne, Logic, Martin Garrix, GZA, Alt-J, Portugal. The Man, Foster The People, MGMT, Mike D (DJ Set), Big Gigantic, Jimmy Eat World, Chromeo, Cold War Kids, Warren G, Royal Blood, Spafford, and so many more.

Check out the full photo gallery below, courtesy of photographer Sean DiSerio.