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Sex Push-Ups, Leg-Drops, And Fans: The 10 Most Infamous Musical Performances Of 2013

There's such a fine line between killin' it and dying onstage, and sometimes even the pros end up on the bad side. 2013 was a year for some awesome concerts, but it also gave some truly epic performance fails! Head on down to the gallery below and check out 10 shows that had us talking...and not in the good way.

10. Selena Gomez's Brings A Bindi To The MTV Movie Awards

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The squeaky cleanest of the grown-up Disney starlet managed to cour controversy for wearing a bindi, which many devout Hindi's felt was in poor taste. And to make matters worse, the performance just wasn't that good...

9. Katy Perry Gone Gheisha At The AMAs

The California Gurl caught similar flack for dressing up in traditional Japanese geisha attire open the American Music Awards with her new song, "Unconditionally." There were some who felt it was disrespectful to show the style in such an over-sexualized light.

8. Rihanna Shows Up Late And Drunk Down Under

Riri pulled a double no-no when appearing for fans in Adelaide when she showed up 80 minutes late! Boos from the crowd were heard as she took to the stage, appearing glassy-eyed and, according to one reviewer, "obviously drunk." According to video footage and disappointed fan tweets, it was a lack-luster show, with Rihanna relying primarily on backup singers and the crowd for vocal help.

7. K.Michelle's Camel-Toe Steals The Show

VH1's very own K.Michele made headlines for a performance in Chicago, and it wasn't just for the music. The Love and Hip Hop star took to the stage in a very form-fitting jumpsuit, and shots seeming to show severe camel-toe soon set social media on fire. K.Michelle claims that the images were photoshopped, but watch the (undoctored) vid and judge for yourself.

6. Bieber's International Incident In Argentina

An adoring Belieber decided to throw an Argentinian flag onstage during Justin's show in Buenos Aires last month. So how did Biebs respond? By using it to mop the floor! Well, we're not totally sure what he intended by dragging it across the stage with his mic stand (what's wrong with picking it up?), but it got him into some serious hot water with Argentinians who took it as a slight to their country. Apparently disgracing the flag is punishable by up to 4 years in jail...and Biebs is way too pretty for prison!

5. Kanye West Loses It On Fan

It's been a fairly subdued year for Yeezy, but just a few days ago he returned to fine freak-out form when he lost it on a heckler in San Antonio who yelled for him to take off his stage mask. Kanye was NOT having it, saying "You can see my face on the internet every mother f---n' day. I came here, I open up a motherf–king mountain… and you tryin’ to tell me how to give you my art?" The show continued for a short time, but the heckler wasn't done. That's when West got her booted out of the auditorium.

4. Lady Gaga's Sex Push-Ups With R. Kelly On SNL

Mother Monster was doing double-duty as host and musical guest on the late-night institution when R. Kelly made a unannounced appearance to perform his vocal duties on their new song, "Do What U Want". As if that wasn't enough of a surprise, the pair soon went got down and dirty during the second verse, engaging in what has become officially known as "sex push-ups." They followed it up with an equally crazy turn at the AMAs a short time later, but nothing will ever equal the shock of the sex push-up's network television debut.

3. Miguel's Leg Drop At The Billboard Awards

We'd gotten pretty sick of watching Miguel perform "Adorn" for the zillionth time at an award show, but his spot during the Billboard Awards in May, so he tried to add in some enthusiastic athletics to keep it interesting. Unfortunately, his attempt at a long jump between stages failed, and he delivered a severe drop-kick to a fan's head! The woman, Khyati Shah, is concerned that she suffers from head trauma and even brain damage.

2. Beyonce's Hair-Raising Gig

Queen Bey had a problem with a different kind of fan! Her tresses got tangled up in the blades of a wind machine right the middle of her epic power-ballad "Halo!" But ever the pro, she didn't miss a beat or a note and kept right on singing as stage crew worked to free her. Did it influence her decision to chop her long locks/remove her weave a few weeks later? We wouldn't be surprised!

1. Miley + Robin Thicke + Foam Finger At The VMAs

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It was unavoidable. We've all seen it. We all wish we hadn't seen it. Let's leave it in 2013 and never look back.

BONUS: Carrie Underwood Hears The Sound Of Critics

Messing with (or "revisiting") a classic is always a bad idea, as Carrie found out the hard way when she starred in an oddly controversial live television performance of The Sound of Music. She gave the performance her all, but it could never live up to the expectations set by fans of the beloved original with Julie Andrews (not to mention relatives of the actual von Trapp family).