Although the 2010 Lollapalooza lineup will not be publicly announced until April, JACK FM has the inside scoop on who will be making an appearance! Rumor has it that Lady Gaga will be caught in a “Bad Romance, by the Paparazzi!” Soundgarden will be “reuniting ” for the event..and it feels soo good! Green Day will be “waking up right as September ends” just in time for Lollapalooza in August!! Stay tuned to find out the final lineup!