1. This class is all any Britney fan could ever want.
2. There is a lot of stretching.
3. The class is made up of all different levels.
4. You will have extreme gym kit envy.
5. We learn that Britney's choreographer, Brian Friedman, is basically a genius.
I mean, for example.
6. The routine takes its inspiration directly from the "Toxic" video.
Whether it's pretending to push the drinks trolley (above) or channelling catsuit-in-the-glass-box-Britney.