Halsey & Melanie Martinez - Castle / Dollhouse Mashup
Halsey vs Melanie Martinez - Gasoline House (Mashup)
twenty one pilots vs. Halsey vs. Melanie Martinez vs. Troye Sivan - Stressed Out (Megamix)
Melanie Martinez and Halsey Praising Each Other | Melanie Martinez Facts
Melanie Martinez And Halsey Interactions
Minimix - Melanie Martinez, Halsey, Imagine Dragons, Fall Out Boy
Melanie Martinez VS Halsey! (LIVE VOCAL BATTLE/BEST SONGS)
Gachalife Singing Battle Melanie Vs Halsey Part 2
Heaven In The Dollhouse (Mixed Mashup) - Halsey & Melanie Martinez
♪ Nightcore - Gasoline Dollhouse (Melanie & Halsey) (Switching Vocals)
HALSEY VS MELANIE MARTINEZ 2016 {VOCALS}
pity party x control - melanie martinez, halsey [edit audio]
Halsey vs Melanie Martinez - Pacify Her Ghost (Simple Mashup)
Nightcore [LANA THE SATAN] ↬ Melanie Martinez, Halsey, Imagine Dragons, FOB [Switching Vocals]
Halsey Vs Melanie Martinez VOCAL BATTLE!
DollCastle - Melanie Martinez & Halsey (Mixed Mashup)
Soap vs. Colors - Melanie Martinez & Halsey | MASHUP
Gasoline x Nurse's Office - Halsey vs Melanie Martinez (Mixed Mashup)
A Play Date Without Me - Halsey vs Melanie Martinez (Mashup)