Becoming ... Lindsay Lohan

See how the 17-year-old Mean Girls star rose from child actress to teen queen. By Lucy Maher

KEEPIN' IT REAL

Lohan (whose upcoming projects include next year's Gossip Girl, about rivals at an exclusive Manhattan private school, and Herbie: Fully Loaded, based on the '60s movie franchise) says she stays grounded by being "very aware of how people can change, and I'm not going to let myself get like that."