In Selena Gomez's song Adiós, she reflects on a past relationship that has ended and expresses her desire to move on. She acknowledges that her former partner has moved on and is no longer interested in her, yet they still keep in contact. She is determined to end the cycle and move on, telling him that it is time to say goodbye. She is ready to move on, let go and live her life without him.

Selena Gomez is an American singer, songwriter, actress, and producer. She began her career as a child actress, and rose to fame as the leading role in the Disney Channel series Wizards of Waverly Place (2007–2012). Selena has also ventured into the music industry with the release of her singles "Come & Get It" (2013) and "Good for You" (2015). Selena's father is of Mexican descent, while her mother, who was adopted, has Italian ancestry. In 2021, she released Revelación, a Latin music EP which centers on themes of "strength, love, forgiveness and moving on". She has received numerous awards throughout her career, including an ALMA Award, an American Music Award, an MTV Video Music Award, and a People's Choice Award. Gomez is also an advocate for mental health awareness and has been an active supporter of the organization UNICEF since 2009.