PVC clad Lisa Appleton flashes BUM in revealing red thong as she falls off bicycle right into a pile of RUBBISHShe's outdone herself this timeClad within a pores and skin limited pleather dress, the previous Significant Brother star made a decision It will be a good idea to clamber aboard a motorbike as she left Novokov cafe together with her mate Rosie Grewal.But certainly it was not a good idea, with Lisa flashing her unmentionables to anyone regrettable adequate for being going for walks…