Wango Tango 2013 took place in California on Saturday, May 11, with pop faves like Bruno Mars, Demi Lovato, Miguel and more taking the stage to entertain crowds and fans, and KIIS radio listeners.

Mars looked relaxed and ready for the warm weather in his colorful shirt. He didn't skimp on the bling, either.

Bruno Mars Wango Tango 2013
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Demi Lovato was putting her defenses up ... she looks fierce enough to give us a 'Heart Attack,' even if we are not loving her shaggy blonde soccer mom 'do.

Demi Lovato Wango Tango 2013
Kevin Winter, Getty Images
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Miguel was owning it.

Miguel Wango Tango 2013
Kevin Winter, Getty Images
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will.i.am wants you to... check out his new album '#willpower.'

will.i.am Wango Tango 2013
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Ariana Grande was pretty in a ruffled pink skirt ensemble as she did her thing and had her 'Way' with the crowd.

Ariana Grande Wango Tango 2013
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Pop punk princess Avril Lavigne was channeling Janis Joplin with her long hair and aviator shades.

Avril Lavigne Wango Tango 2013
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Rapper Flo Rida wore an interesting red animal print sweatshirt while spitting his rhymes.

Flo Rida Wango Wango 2013
Kevin Winter, Getty Images
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British star Emeli Sande worked the crowd, hoping to replicate her U.K. success here in the U.S.

Emeli Sande 2013 Wango Tango
Kevin Winter, Getty Images
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We've been associating Adam Levine with 'The Voice' for so long, so here he is as a crooner.

Adam Levine Wango Tango 2013
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