20 16. According to Australian media new.com, Selena, a 23-year-old girl from California, has been undergoing plastic surgery since she was a teenager. She wants to turn herself into Marilyn Monroe. The first plastic surgery was on 20 16, and then she started rhinoplasty. She has obtained the so-called "Hollywood star nose" and regularly receives Botox and hyaluronic acid to maintain her face and lip shape.