this fwirl is trying to buy a pair of shoes. >> we are completely out of size seven. >> okay.ou have a half? >> they don't make these in a half style. they are limited edition. if you want to try these, some people really like them. they are similar in some ways. >> in that they are both shoes. >> why did they create this video? are they trying to raise awareness about shopping? >> no. so they are both comedy writers and this is one of the skits that they came up with. but it's real. >> we don't have a website. trying to preserve traditional instore experience. >> she is not going to make a sale that way. >> i'm ke$ha and i have joined the humane society. i'm a street dog defender. >> the humane society international and ke$ha have teamed up because they want to give vaccinations to and spay and neuter the thousands and thousands of street dogs around the world. they want people to donate to help street dogs. >> these dogs are treated like nothing, becoming victims, poisoning, electrocution and shooting. >> this video is more heartbr k heartbreaking. >> because these dogs are