LAS VEGAS, NV - DECEMBER 14: Singer Debbie Gibson performs during the Mondays Dark 2nd anniversary at The Joint inside the Hard Rock Hotel & Casino on December 14, 2015 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NV - DECEMBER 14: Singer Debbie Gibson performs during the Mondays Dark 2nd anniversary at The Joint inside the Hard Rock Hotel & Casino on December 14, 2015 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/WireImage)