Alexaundra Christine Schneiderman, known professionally as AleXa (Korean: 알렉사) or Kim Se-ri (김세리), formerly Alex Christine, is an American singer based in South Korea. She debuted as a K-pop singer in October 2019. In 2022, she represented her home state Oklahoma in NBC's American Song Contest with the song "Wonderland" where she won with 710 points.