Gregory Hein, known professionally as Aldae, is an American songwriter and record producer. He has co-written songs for a variety of artists including Justin Bieber, Shawn Mendes, Selena Gomez, Marshmello, John Legend, Machine Gun Kelly, Khalid, Jackson Wang, and Tainy among others. In 2023, Aldae co-wrote Miley Cyrus' record-breaking single "Flowers", for which he achieved his first Billboard Hot 100 No. 1.