My Secret Teen Past

Nostalgia alert! See the (sometimes cheesy) ways stars – from Ian Somerhalder to Julie Bowen – got their start


Everyone knows about the Partners star's previous turn as Brooke on One Tree Hill. But in 2003, she appeared on Sabrina, the Teenage Witch as one of the Fates who is incarnated as a Mean Girls-esque cheerleader named Mackenzie. Gimme a B! Gimme an I! Gimme a T! (You see where we're going with this, right?)