Cierra Alexa Ramirez is an American actress and singer. She is best known for playing Mariana Adams Foster in the Freeform television series The Fosters and reprising her role in the spin-off series Good Trouble, which she also co-executive produced with co-star Maia Mitchell. Her accolades include an ALMA Award and a GLAAD Media Award nomination.

The Fosters is an American family drama television series created by Peter Paige and Bradley Bredeweg. It premiered in the United States on June 3, 2013, on the ABC Family television network and concluded on June 6, 2018. It followed the lives of the Adams-Foster family led by a lesbian couple, Stef Foster, a police officer, and Lena Adams, a school vice principal, who raise one biological son and four adopted teenagers in San Diego, California.