Despite a painful foot injury, Kim Kardashian will be a contestant on this season of Dancing with the Stars.

Some critics may be wondering how this came to be. After all, the show aims to capture the family demographic - another contestant this season is Hannah Montana co-star Cody Linley - and, well, Kardashian rose to fame because she starred in a sex tape alongside Ray J.

Our Reality TV Scoop spies have researched Kim's connections on the show, and we've determined the pattern of events that led to such a surprising selection.

See, Kardashian is partnering with Mark Ballas... who dated Sabrina Bryan... who is in The Cheetah Girls with Adrienne Bailon... who is dating Kim's brother, Rob. Just take a look at the tree below. It will be easier...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.