Khloe and Kourtney are keepin' it in the family! The sisters turned up at brother-in-law Kanye West's Calabasas office Tuesday, dressed in their sexiest jeans and heels, perhaps to discuss the rapper-designer's latest looks for Adidas?

Kanye's "Calabasas" line for the sportswear company just dropped a new white throwback sneaker (which we kind of hate) but no doubt Yeezy's working on his next sketches and perhaps he needed some feedback from two fashionable ladies.

Meanwhile, Kris Jenner was noticeably absent -- she's busy with her breakup from Corey Gamble! We SO called this last week, when it dawned on us we hadn't spotted the two out together for a while. Then, a report today says the two have officially split. Not surprising -- I mean, what did those two have in common except their signatures on Corey's NDA?