Kelly Brook, 45, has long been celebrated for her curvy figure—but claims that science has officially declared her body “perfect” need some context. The idea comes from research exploring which body proportions people in a particular study found attractive, not from a scientific standard that determines whether one person’s body is objectively better than another’s. Still, the research has fueled plenty of discussion about how dramatically beauty ideals have changed over time. ✨

For decades, the supposed “perfect” woman has shifted from one extreme to another. Marilyn Monroe’s curves, the ultra-thin fashion aesthetic of the 1990s, and later hourglass figures have all influenced popular culture. Researchers have also investigated measurements such as waist-to-hip ratio and BMI when studying perceptions of attractiveness. One frequently cited 2012 study examined body-shape preferences and reported that participants favored certain proportions.

Brook has often been associated with those proportions, although her body measurements and weight have changed throughout her life. The British model and actress began modeling at 18 and went on to build a career across television, film and fashion. She has also spoken openly about getting older and noticing changes in her body, saying the entertainment industry has become more accepting of women as they age. ❤️

She has also faced criticism from online trolls over fluctuations in her weight. Rather than letting those comments define her, Brook has said social media gives her an opportunity to answer back and challenge misinformation. Her story ultimately highlights something the idea of a single “perfect body” often misses: beauty standards are cultural, constantly changing, and deeply personal. There is no scientific measurement that can determine the worth or beauty of a human body.