21. Chrissy Teigen
Who: Chrissy Teigen
What: Model / author / television personality
Why she's an 'It' girl: There is nothing John Legend's wife and Luna Legend's mama doesn't do. Chrissy starting modeling after being discovered while working in a surf shop and has actress, author, and television host under her belt as well. And the girl can cook! Her best-selling cookbook Cravings is filled with family recipes, including John's famous fried chicken and her mom's classic Thai dishes.