Lollapalooza 2012: Frank Ocean, Dev, Fun. & Red Hot Chili Peppers Take Over Chicago (VIDEO)

Despite a few minor weather setbacks, one of the most anticipated music festivals of all time, Lollapalooza, went down without a hitch over the weekend.

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Music newcomers Frank Ocean, Dev, and Fun. headed to the Midwest city of Chicago to perform their smash hits, while veterans like The Black Keys and Red Hot Chili Peppers headlined the festival. 

Frank Ocean performed his love ballad "Bad Religion," while Dev performed her party smash "In My Trunk."

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Red Hot Chili Peppers performed an array of classic hits, but when they got down to their classic "Under The Bridge," the whole festival went crazy. 

Check out Red Hot Chili Peppers, DEV and Fun.'s performances below!

Dev performs "In My Trunk" At Lollapalooza

Fun. perform "Some Nights" at Lollapalooza

Red Hot Chili Peppers perform "Under The Bridge" at Lollapalooza