Steph Landry's been a high school pariah - and the butt of every joke imaginable - ever since she spilt her red Super Big Gulp all over 'It Girl' Lauren Moffat's white D&G mini-skirt.

But now, Steph's got a secret weapon - an ancient book, "How To Be Popular", which her soon-to-be step-grandmother once used to break in to her A-crowd.

All Steph has to do is follow the instructions in The Book and wait for the partying begin!

But as Steph's about to discover, it's easy to become popular - it's less easy staying that way...