Lisa Snowdon showing us how it's done walking the Red Carpet in over the knee boots! This image appears in the gallery:Little Mix & Charlie Puth Lead The Jingle Bell Ball Red Carpet Arrivals 2015 29. Lisa Snowdon showing us how it's done walking the Red Carpet in over the knee boots! Picture : PA Photos 38 images See the full gallery: Little Mix & Charlie Puth Lead The Jingle Bell Ball Red Carpet Arrivals 2015