IM is abbreviated terms of which the girls talk to each other. BFF means Best Friends Forever, BFH means Bitch from Hell, MYOB is Mind Your Own Buisness, WTF is What The F*ck, BMA is Bite My Ass, IMYA is I'm Missing You Already, MYSM is Miss You So Much, OMG is Oh My God, NFW is No F*cking Way and FYI is For Your Information, IDTS is I Don't Think So.
Though not a stranger in front of the camera, this movie marks the feature film debut for Rihanna, but it would take another 6 years before she would really surprise audiences by appearing almost unrecognizable as a sailor following all the rules in her next film: Battleship.
In the scene where Camille is watching Pacific Vista practicing on 'Cheer TV' they are actually showing clips of behind the scenes footage (which can be seen in the DVD bonus features). Emme Rylan (Winnie) still has her brownish/reddish hair in the clips. Right before filming began she had to dye her hair blonde. You can also see Hayden Panettiere (Britney) in the 'Cheer TV' clips as well.
Many stunts the teams perform at the competition, like fly-overs and stunts more than two bodies high, are illegal at high school level, according to the National Federation Interscholastic Spirit Association.