The lineup for Lollapalooza 2012 has been announced, and while the majority of the artists performing fall under the rock genre, there are a handful of pop and hip-hop stars slated to take the stage. Dev, J. Cole and Haley Reinhart are just a few of the names included on the bill for Lollapalooza 2012, which is being held at Grant Park in Chicago, Ill. on August 3-5. 

Dev, who just released her first full-length album 'The Night the Sun Came Up,' will bring the party jams to Lollapalooza, with the new mama likely to perform hits like 'In the Dark.' 'Work Out' all-star J. Cole will also make his Lollapalooza debut, but he isn't the only rapper that will be representing. Wale, the Weeknd, Frank Ocean and Childish Gambino are also set to perform. Meanwhile, in the pop realm, 'American Idol' cutie and Chi-town native Haley Reinhart will get to sing to her the Lollapalooza crowd gathered in her hometown.

EDM is also getting lots of love from the Lollapalooza folks. 'Levels' mastermind (and Madonna collaborator) Avicii, 'We Found Love' beatmaker Calvin Harris and 'Room for Happiness' hitmaker Kaskade will perform DJ sets along with other EDM artists like Justice and Zeds Dead. Also, indie crossover artists fun. will undoubtedly start a massive sing-along when they take the stage at 2012's Lollapalooza to belt out 'We Are Young.' Same goes for Florence and the Machine, who are also scheduled to perform at Grant Park during the weekend festivities.

Head over to the official Lollapalooza website to check out the 2012 lineup and to get more information on the annual music festival.