The entire album charted as one entry at  No. 1 on the Hot Dance/Disco chart. Once Upon a Time includes the singles "I Love You", "Fairy Tale High", "Once Upon a Time" and "Rumour Has It".
The album's success is highlighted by its entry at number one on the Hot Dance/Disco chart, with its singles "I Love You", "Fairy Tale High", "Once Upon a Time", and "Rumour Has It" also charting.