Alexa Ellesse PenaVega (née Vega; born August 27, 1988) is an American actress and singer known for playing Carmen Cortez in the Spy Kids films.

She had a recurring role as Kiley Brenner on the ABC music drama television series Nashville and she voicing Carlota Casagrande in Nickelodeon's The Loud House and upcoming spin-off Los Casagrandes.