Lady Gaga has taken the MTV Video Music Awards stage covered in ( fake ) blood ; wearing a dress made of meat and as her male alter-ego , Jo Calderone . But at the 2013 MTV VMAs , Miley Cyrus stole Gaga 's outrageous performance crown . While Gaga came equipped with multiple costume- and wig-changes on her side , Cyrus took over the stage with gigantic , dancing bears and more twerking than viewers at home probably knew what to do with . The 20-year-old pop star stepped out onto the stage a ball of energy , wearing a fuzzy gray leotard , as her hit single , `` We Ca n't Stop , '' played . An animated and uninhibited performer , Cyrus ' dance moves were a clear departure from her `` Hannah Montana '' days . ( Meaning , they involved a crotch grab or two . ) 6 memorable moments from the VMAs . When she reached the end of her song , the singer stripped down to a flesh-toned latex bra and matching underwear and began to perform `` Blurred Lines '' alongside Robin Thicke . With Cyrus acting as Thicke 's back-up singer and personal dancer , featured guest stars 2 Chainz and Kendrick Lamar went largely unnoticed . `` Miley better get a ... pregnancy test after all of that grinding , '' joked comedian Kevin Hart during the show . Miley Cyrus upholds MTV VMAs tradition . Those watching on Twitter were n't quite sure how to respond . By far the most common reaction was shock , which Twitter users demonstrated with a photo of Will Smith 's family seated in the VMAs audience apparently during Lady Gaga 's performance . ( The image , which can be seen here , ignited a debate all its own . ) `` ( J ) ust watched that Miley Cyrus / teddy bear performance and I think I 'm now legally required to put myself on some kind of registry , '' tweeted Time magazine 's TV critic , James Poniewozik . `` i am still trying to recover from the miley cyrus performance , '' posted another viewer . Derek Blasberg was more enthused , tweeting that he was `` obsessed with @ MileyCyrus 's performance at the VMA 's . It was like a karaoke party at the Playboy mansion . In the 90 's . In platform sneakers . '' Billboard 's Editorial Director , Bill Werde , thinks Cyrus ' show was right on target with the direction she 's taking her brand -- she is , after all , no longer the teen Disney star she once was . `` Guys , Miley Cyrus is an all-star hot mess for a hot mess pop moment , '' Werde tweeted . `` She does n't care what u think & that 's her brand . & she just delivered . '' The complete list of VMA winners .
Miley Cyrus performed `` We Ca n't Stop '' at the MTV VMAs . The 20-year-old star also performed `` Blurred Lines '' with Robin Thicke . Hide Caption 7 of 11 Photos:'Glee' stars and their famous fans Glee cast