LAS VEGAS, NV - MAY 21: Singer Halsey performs onstage during the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Halsey is not too shy to show off a little skin as we know. Halsey attended a Gala in NYC looking stunning and almost a little like Marilyn Monroe. As she was walking in her black slit in the front dress. A man walking behind her accidentally stepped on the back revealing a little of her front side.

 See the pics here!