Nadine Sierra is an American soprano born in 1988, renowned for her clear voice and expressiveness. She gained recognition portraying Gilda in Rigoletto and Lucia in Lucia di Lammermoor. Awarded the Richard Tucker Award in 2017, she performs at international venues, including the Paris Opera, the Metropolitan Opera, and Teatro alla Scala. In 2025, she triumphed at the Gran Teatre del Liceu in Bellini's La Sonnambula.