"Bringing her boisterous stage show to one of sport’s biggest events, Katy Perrywas front and center while performing at the 2012 Formula One World Championship in Singapore on Sunday (September 23).
The California-raised bombshell looked hot to trot in a black, yellow and white race inspired mini dress that she paired with black Converse kicks while treating the crowd to a lineup of hits including "Hot 'N Cold," "Teenage Dream" and "I Kissed a Girl.""
(SOURCE: http://celebrity-gossip.net/katy-perry/katy-perrys-f1-singapore-stage-show-731886)