Kourtney and Kim have been on an insane promotional blitz, hitting every major talk show in New York to promote their new reality show, Kourtney & Kim Take New York, premiering this Sunday at 10 p.m..

Of course, every appearance requires a new outfit, natch, and the ladies came prepared with a helluva lot of couture.

Kim stuck to kurve-hugging dresses and stilettos for her appearances on Today, Live With Regis & Kelly, The Seven and The Wendy Williams Show (from left to right), with cazh jeans thrown in for the Knicks-Jazz game.

Big sis Kourt, meanwhile, was all about the separates...