Special Guest Stars Jennie Garth as Kelly Taylor Guest Stars Matt Lanter as William 'Liam' Court Sara Foster as Jen Clark Adam Gregory as Ty Collins Patrick Sebes as Jared Lily Collins as Phoebe Abrams Dwight Ewell as Mr. Irving Chuck Carter as Charlie Pinkwater Missy Crider as Becky UberStylist April Eden as Tanner The Veronicas as Themselves