This hardly ever happens! Kenny joined half-sis Kourtney and family pal Larsa Pippin for lunch in Calabasas the other day. The super-busy supermodel finally found time in her schedule, while she's chilling on the west coast briefly before going back to work, to enjoy a free day with her peeps.

Kendall's been booking jobs left and right in New York, Paris, Milan, and London and hasn't spent much time in LA for while ... and when she IS here, she tends to be hanging out with b-baller Blake Griffin. We can't believe they're still seeing each other, but Kendall's been courtside for some of his games and they even went out clubbing together last week.

Meanwhile, Kourtney's romance with boy toy Younes Bendjima is still going strong, while her baby daddy Scott Disick is off romping around with 19-year-old Sofia Richie at Art Basel in Miami. Kourtney's keeping things hot in her relationship, though, with outfits like these! The mother-of-three consistently wears lingerie in public, puts her assets on full display and has no problem showing a significant amount of skin. And why not?! If you've got it, flaunt it!

Speaking of flaunting your assets, check out what Kendall drove off in ...