Halsey attended the Delta Air Lines official Grammy event in Los Angeles last night wearing a Steinronher Fall 2017 Two-Piece (Not available online), Lana Jewelry Flawless Huggies ($1,375.00), an EF Collection Diamond Mini Lightning Bolt Stack Ring ($295.00) a Nonna Due Crystal Ring ($435.00), a Grape Crystal Ring ($195.00) and a Titan Crystal Ring ($150.00) all by Vita Fede, with Public Desire Theda Contrast Fade Perspex Over-The-Knee Boots ($39.99).