OutKast was the headliner tonight during the action-packed day one of Drake's fifth annual OVO Fest. The ATLiens came out onto the stage with a bang, performing "Bombs Over Baghdad" before going into their numerous array of hits. Along with OutKast, YG also touched the stage at the Molson Canadian Amphitheater to perform a medley of his hits that included "My N***a," "Bicken Back Being Bool," and more. Watch the footage below and be sure to check back tomorrow night for coverage of OVO Fest day two, where Drake will be headlining with special guests.