Xo Villanueva is a fictional character from the popular television series The Fosters. She is portrayed as a strong and independent young woman who navigates the challenges of adolescence, including relationships and family dynamics. Xo is known for her close bond with her mother, Lena Adams, and her supportive nature towards her friends. In the series, Xo's character often faces personal struggles, including issues related to identity and self-acceptance. Her journey reflects the experiences of many teenagers, making her a relatable figure for viewers. Xo's storylines contribute to the show's themes of love, acceptance, and resilience.