September 22, 2013 02:54 PM

What happens in Vegas stays in Vegas … but not for the celebrities who attended the star-studded iHeart Radio Music Festival on Friday and Saturday. We gathered our top five must-see looks from the event that will be making the rounds (i.e. not staying in Sin City). Check them out, then weigh in with your thoughts below!

Kevin Mazur/Getty; Rex USA

So this is what Miley Cyrus’s breakup style looks like. Just days after she and Liam Hemsworth called off their engagement, the star appeared in two very, um, revealing outfits that made it quite apparent that she is not throwing herself a pity party anytime soon. She twerked during her performanceagain — in a tiny white lace two-piece corset ensemble held together at her stomach. She also rocked a Caboodles worth of ’90s accessories, including a sunflower choker necklace, huge heart hoop earrings, high-heel sneakers and a whole bunch of bangles.

Kate Hudson‘s super chic black jumpsuit, which served as the quintessential refreshing touch of sophistication amid a sea of edgier, crazier ensembles. The actress, who presented at the festival, finished off her sleek look with sexy red lipstick and heels.

Next up on the list of must-sees: Katy Perry. The singer paired a purple leather crop top with a pleated plaid skirt and sneakers and wore her hair in two buns. Similar to the Cyrus situation, we can’t quite pinpoint what she was going for, but we’re thinking something along the lines of schoolgirl on the bottom, bondage girl on top.

And finally: Avril Lavigne! The popster looked totally wild in a rocker tee with feathered sleeves, red mini skirt, heavy black combat boots, and bright red eye makeup. She also wore her hair in a half-down, half-cornrow ‘do, which we now know is possible (thanks, Avril).

So you be the judge: Which look was the standout … for better or for worse?

–Annie Daly

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