Alexandra Leah Tamposi[1] (born November 17, 1989) is an American songwriter from West Palm Beach, Florida.
She is best known for co-writing Kelly Clarkson's song "Stronger (What Doesn't Kill You)," 5 Seconds of Summer's song "Youngblood", DJ Snake's "Let Me Love You" featuring Justin Bieber, Camila Cabello’s "Havana" featuring Young Thug, and Cabello's "Señorita" with Shawn Mendes.
[2] Tamposi appeared on the final season of The X Factor as vocal coach and mentor to Simon Cowell's team, working alongside groups Restless Road, Sweet Suspense, and winners Alex & Sierra.
She worked closely with Alex & Sierra on their debut album, writing four songs with the duo.
[citation needed] She is the granddaughter of real estate developer Samuel A.