Halsey is in her 'dirtbag girl' era ... the songbird was seen in a black lingerie bra and matching underwear as her dark hair was in tangles around her face. The stunner was also seen flashing ...

walking they headed to restaurant All Time. Halsey was wearing a navy blue minidress with a sailor collar, and had her brown hair in short waves. She wore the dress with Doc Marten clogs and ...