In De Una Vez by Selena Gomez, the singer reflects on the healing of a past relationship and her newfound strength. She acknowledges that the time spent with her former partner cut her wings, but now her heart is bulletproof. She is no longer dependent on her former partner and is content with her newfound independence. She is no longer regretful of the past and is ready to move on.

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.