Lauren Greenfield

Mijanou and Friends from Beverly Hills H.S. on Senior Beach Day, Will Rogers State Beach

Jennifer, 18, at an eating-disorder clinic, Coconut Creek, Florida

Alli, Annie, Hannah, and Berit, all 13, Before the First Big Party of the Seventh Grade, Edina, Minnesota, from the series "Girl Culture"

Sheena Tries on Clothes with Amber, 15, in a Department Store Dressing Room, San Jose, California, from the series "Girl Culture"

The Damas (Maids of Honor) go from the Church to the Reception in a Ford Explorer limousine at Ruby's Quinceanera, Huntington Park, California, from the series "Girl Culture"