1. "Mean Girls" (2004) - This comedy film tells the story of a high school girl who tries to fit in with the popular crowd and resorts to changing her appearance through plastic surgery. It stars Lindsay Lohan and Rachel McAdams.
2. "White Chicks" (2004) - In this comedy film, two FBI agents go undercover as white women and undergo extensive makeovers to infiltrate a high society event. The film stars Shawn Wayans and Marlon Wayans.
3. "Scream 2" (1997) - This horror film sequel features Courteney Cox's character, a news reporter, who undergoes a plastic surgery transformation after being attacked in the first film.
4. "Death Becomes Her" (1992) - In this dark comedy film, two women (played by Goldie Hawn and Meryl Streep) seek eternal youth and beauty through a mysterious potion, leading to drastic changes in their appearances.
5. "Sliding Doors" (1998) - While not specifically about plastic surgery, this romantic drama explores the concept of alternate realities through the story of a woman who experiences two different lives based on whether she catches a train or not. The film stars Gwyneth Paltrow.
These are just a few examples of movies that involve themes of plastic surgery or appearance-based transformations. However, it is important to note that these films may not necessarily promote or endorse plastic surgery as a solution for personal issues or insecurities.