Bright lights, man bouffants, and bowties! Bruno Mars brings some old school doo-wop style to the Grammys 2012. Watch the pint-sized R&B singer kill it performing his hit single "Runaway." For more Grammys 2012 coverage, click here! For the latest from Wetpaint Entertainment, Like us on our Facebook page at facebook.com/Wetpaint, or Follow us on Twitter at twitter.com/WetpaintTV.

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