Mariana "Lali" Espósito (born October 10, 1991 in Buenos Aires) is an Argentine actress, singer, songwriter, dancer and model. She began her career in 2003 and continued to build her acting and singing career with subsequent supporting roles in other telenovelas such as Floricienta and Chiquititas. However, it was her main role in the telenovela Casi Ángeles that really propelled her to fame.

In 2014, she signed a record deal with Sony Music Argentina and released five studio albums: "A Bailar" (2014), "Soy" (2016), "Brava" (2018), "Libra" (2020) and "Lali" (2023). Espósito's acting career has also flourished, with notable performances in telenovelas, films, and television comedies. She received critical acclaim for her portrayal of Abigail Williams in the Buenos Aires production of The Crucible and for her roles in the crime-thriller film The Accused and Netflix's action crime drama television series Sky Rojo. Throughout her career, Espósito has received numerous awards and nominations, including six Gardel Awards, five MTV Europe Music Awards, thirteen Argentina Kids' Choice Awards, one Billboard Latin Music Award, and seven MTV Millennial Awards. She has also been nominated for the Lo Nuestro Awards and the Seoul International Drama Awards. In 2015, Infobae named her one of the ten most influential women in Argentina, a testament to her impact and influence in the entertainment industry.