From one CW hit to another.

Jana Kramer, fresh off the recurring role of student Portia Ranson on 90210, has signed on for a multiple-episode arc this fall on One Tree Hill.

The beautiful actress will play model/actress Alexis, the new face of Brooke's clothing line. Sources describe the character as an adrenaline junkie and a diva, one who loves to party and is accustomed to getting her way.

Kramer has also appeared on Private Practice and Friday Night Lights.

Earlier this summer, Shantel VanSanten was cast in the role of Quinn on One Tree Hill, as the series continues to round out a new set of actors to replace departed stars Chad Michael Murray and Hilarie Burton.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.