Miley Cyrus Unveils Beacher's Madhouse Las Vegas At The MGM Grand Hotel & Casino [Getty Images]

LAS VEGAS, NV - DECEMBER 27: Miley Cyrus and Katy Perry unveil Beacher's Madhouse Las Vegas at the MGM Grand Hotel & Casino on December 27, 2013 in Las Vegas, Nevada. (Photo by Kevin Mazur/WireImage)

WireImage Kevin Mazur