At the very beginning of watching the Comedy movie "I Feel Pretty", we meet Rene Barrett, an ordinary woman who desperately tries to change her appearance. She fights with feelings of inconsistency and unreliability every day, but constantly loses the defeat. In spite of this, Rene did not despair, because she is sure that she deserves happiness. To achieve his goal, the heroine regularly tries to take a diet and do fitness. However, somehow she still finds herself next to a plate of tasty but harmful food. It seems that the universe itself is against Rene Theh weight.
Events begin to develop at a time when the heroine, being on a stationary bike, falls and hits the head. Something gets damaged in her brain, and then she starts to perceive herself completely differently. Rene is firmly convinced that she is the most beautiful woman in the world. That's just for the surrounding it has not changed. How long can it last? and to what consequences it can lead?