'DWTS' scores yet another Kardashian

ABC must have a really loose definition of the word "star."

Rob Kardashian — the lone dude in the Kardashian klan (and the only one whose name doesn’t start with a cutesy “K”) has signed on for the next installment of “Dancing With the Stars.”

According to TMZ.com, multiple sources confirmed that Rob, 24, has officially jumped aboard the Pasa Doble train — despite concerns that the intense “Dancing” schedule will clash with sis Kim’s SUPER MEGA INSANE wedding in August. The site reported that the two sides addressed the issue and hammered out a plan -- and Rob signed on the dotted line.

All we have to say is ... why? The kid does nothing. Rob always seemed like a nice guy — until the current season of “Keeping Up With the Kardashians” decided to portray him as a cocky L.A. slacker. At least his sisters try and look busy, what with endorsements and appearances and butt X-rays and all.

Speaking of Kim, the reality queen was a “DWTS” contestant herself in 2008, but got booted during week 3.

“Momager” Kris Jenner must be looooooving this ...