Hey, we almost forgot — remember Britney Spears? Of course you do. She’s still among the most-searched-for celebrities on the internet (or does that mean people don’t remember her?).Today is Britney’s 28th birthday. MTV is celebrating by showing this video for “3”, which, oddly enough, features Britney Spears, extra dancers, skimpy outfits and a whole lot of gyratin’.