Bush was born in Texas and went to high school in Houston at The Kinkaid School. (Her sister, Ashley, will graduate from Kinkaid in 2007.) Bush has studied fashion design at Parsons The New School for Design and Central Saint Martins College of Art and Design. Lauren graduated from Princeton University in 2006 and majored in anthropology. She is a member of The Ivy Club, one of Princeton's ten eating clubs, and is listed as a vegetarian by famousveggie.com.