So, what's behind Thorne's remarkably youthful appearance? According to experts, a combination of good genes, a healthy lifestyle, and savvy skincare habits have all contributed to her ageless look. "Bella's face shape, with its rounded features and smooth skin, is often associated with a more youthful appearance," notes Dr. Jean-Charles, a leading dermatologist. "Additionally, her dedication to self-care and stress management has likely helped to minimize the visible signs of aging."