The Kardashians

A rep for KardASShian has submitted a cease and desist letter to Mario Robinson, the club promoter who Kim alleges is booking appearances in her name, then sending a Kimposter to pose as her. In the letter, Kim's rep indicates that civil action could be brought against the promoter -- and anyone involved in the seedy situation.

It's definitely time for a career change when you want to impersonate the biggest ass in Hollywood.

TMZ tracked down the Kimpostor -- who a Houston club promoted as Kim -- and found out she is 20 years old, of Egyptian, Persian and Chinese descent, with measurements of 36-26-42. Badonkadonk! Na'Tasha -- who obviously gets work based on her resemblance to Kim's ass -- tells TMZ she was booked to appear as herself and didn't know the club was promoting her as Kardashian. Riiiiight.

It's probably safe to say Nat charges much less for her services than Kim.

Word of the impostor got to the "real" Kim K., who blogged about it on her website. She's lookin' to sue.

UPDATE: Here's what we hear: the promoter that allegedly promised to deliver Kim K. tells TMZ he signed Kim to the deal, only Kim claims to know nothing about it. For their part, the club tells us they cut ties with the promoter weeks before the gig because he promised to deliver Mary J. Blige but didn't. As for the Kim-alike, no word on who she is or where she is sulking right now.

On last night's season finale, Kim Kardashian and those other meddling kids from "Keeping Up with the Kardashians" toured the devastation left by Hurricane Katrina in 2005. Kim compared the size of the FEMA trailers to the size of her bedroom.

Back in February, Norwood sued the Kardashians and claimed in 2004, when Kim K was a stylist, she was given permission to use Sonja's American Express card to make "one (and only one)" purchase on behalf of Sonja.

Want Kim Kardashian to show up at your local chickenfest? If you've got $25,000 to spare (plus a little extra for a 5-star hotel, first class plane ticket and limo driver), you're in luck!

Reggie Bush's girlfriend demands all of the above for her "services" -- which include showing up -- and not much else. For an extra 10k, they'll even throw in the sister of your choice. Go for Khloe -- trust us.

Kim KardASShian is doing to her ass what she just did to her Bentley -- body work.

Well-placed TMZ spies say Kim K got cellulite removal treatment. Paris' nasty comment (KK's butt "looks like cottage cheese stuffed in a trash bag") has nothing to do with anything -- she's doing it so she can make a calendar for Reggie Bush for their one-year anniversary.

But if Kim claims to exercise religiously, what's up with the cellulite therapy?!

BTW, Kim has been deep into laser hair removal, from the nose down.

No word if anyone petted Kim's favorite pet -- her wild ass.

Kim Kardashian-- who is of Armenian descent -- marked it by getting her nails done, starting wedding rumors and talking about her cellulite covered ass in Beverly Hills.

Kimmy demanded a pap erase a panty pic from his camera yesterday. Sure, it's a reasonable request -- except that it's coming from the chick who became famous for a sex tape and then posed fully nude for Playboy.

It's nice to know Paris has grown since spending time in the slammer. Classy.

Kudos to Chelsea Handler for once again making everybody feel awkward with her "jokes" --and praise Jebus for Bruce Jenner taking her spotlight.

Oh joy?