What song played during closing credits of the movie Princess Diaries?

The song that played during the closing credits of "The Princess Diaries" is "Supergirl" by Krystal Harris. This upbeat track complements the film's themes of self-discovery and empowerment as Mia Thermopolis embraces her royal identity. The song captures the whimsical and hopeful tone of the movie, leaving viewers with a sense of joy.