The beautiful people of Tomorrowland are about to embark on an epic journey of immeasurable proportions. Tomorrowland has finally released their full mainstage lineup for the 2015 edition of one of EDM's biggest and grandest events. Previous announcements revealed headliners including Hardwell, Oliver Heldens, Dillon Francis and Martin Garrix, among many others.

The newest announcement coming from the creators of Tomorrowland unveils the rest of the stacked lineup with massive additions that include Alesso, Avicii, Deorro, R3hab and more. Check out the full mainstage lineup below.

Tomorrowland is one of the world’s biggest EDM festivals and has garnered a reputation for outdoing itself each year. The long-awaited announcement of the mainstage lineup just confirms what is sure to be an explosive three days of music. Get excited by watching the 2014 aftermovie below...

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