Amelia Hamlin is not a teenager anymore, and to celebrate her 20th birthday, she flew to Miami to have a lavish party that included good food and diamonds. The model held a birthday dinner at the Papi Steak restaurant, surrounded by her closest friends and 38-year-old boyfriend Scott Disick.Hamlin wore a metallic gold crop top with a matching miniskirt; the outfit matched perfectly with the bling Disick gift her.