1. Ella Gross, a former child actress and member of the K-pop girl group Teddy, has grown up and maintained her beauty. The article highlights how Ella has transitioned from her child star days to become a part of the new girl group, showcasing her maturity and continued charm.

2. The article discusses Ella's journey from being a child actress to joining the new girl group, noting that she has not lost her beauty or appeal despite the passage of time. It emphasizes how Ella has managed to retain her youthful appearance and captivating presence as she has grown up.

3. The article praises Ella's ability to balance her acting career and her new role in the girl group, suggesting that she has successfully navigated the challenges of transitioning from a child star to a young adult in the entertainment industry. It highlights Ella's continued success and the excitement surrounding her involvement in the new girl group.