She has worked with Justin Bieber, Zedd, Gwen Stefani, Demi Lovato, Christina Aguilera, Vanessa Hudgens, Miley Cyrus, Selena Gomez, No Doubt, Wyclef Jean, Green Day, Sheena Easton, Mariah Carey, Ariana Grande, Flo Rida, Ellie Goulding, Tokio Hotel, Descendants 3, AGNEZ MO, Jojo Siwa, and BTS.
One of Armato's first major hits was "I Still Believe", which reached number 13 on the Billboard Hot 100 for Brenda K. Starr after being featured on her self-titled album.
Rock Mafia wrote and produced Miley Cyrus first single, "Can't Be Tamed"[11] which went top 10 on Billboard and No.
[14] Armato co-wrote and produced the platinum song "Naturally" from Kiss & Tell, Selena Gomez & the Scene's debut album.
[15] Between 2011 and 2012 Rock Mafia wrote and produced different songs for the soundtrack of the television series Shake It Up, among which are "Not Too Young", "Twist My Hips" and "The Star I R".