MKTO Are a Dynamic Duo in Miami!

MKTO hits the stage for the Demi World Tour concert at American Airlines Arena on Sunday evening (September 14) in Miami, Fla.

The guys � Tony Oller and Malcolm Kelley � pumped up the crowd with their most popular songs.

PHOTOS: Check out the latest pics of MKTO

That same day, Tony made a shocking, but inspiring announcement about a recent change to his look.

“Shaved my head to spread awareness. Lots of my friends have passed from cancer and trooped through it. This is to spread awareness. Love u,” he tweeted.

30+ pictures inside of MKTO performing in Miami…