Kim Kardashian Flashing Hot big Boobs and Cleavage At Generation NXT Charity Benefit in New York

The Kardashians grew up in sunny California, where sundresses and sandals are the norm for most of the year.

Perhaps it was habit, then, that led sisters Kim, Khloe and Kourtney - dressed respectively in monochromatic black, white and blue outfits - to brave the freezing temperatures of New York City Sunday in sexy clothes as they made made various stops at a charity event, then a night club.  

Kim's neckline was especially plunging in a low-cut black gothic bodice that she paired with a thin black skirt, sheer black stockings and strappy black sandals.

Indeed, when arriving at the club, new mother Kim struggled to keep her skimpy top in place, pulling the mesh fabric up with a pang of modesty. 

Khloe - in the middle of a nasty divorce from NBA star Lamar Odon - looked smashing in a disco-inspired electric blue one-piece that hugged her famous curves. 

Her black clutch purse matched the black stripes that ran length-way down the side of the outfit, which caused her brown pumps to pop. 

Kourtney, usually the more modest of the three, went for class instead of vamp. 

The mother-of-two donned a winter white three-piece pant suit and wore her hair swept up in a classic twist.  

While navigating from the car into the club - via a very icy pavement - the high-heel wearing trio held onto one another for balance. 

The 33-year-old Kim - who was the guest of honor at the Generation NXT's charity benefit - was joined later by fiance rapper Kanye West, who looked handsome and warm in a rich cashmere overcoat and grey leather pants. 

Actor Simon Huck also joined the sisters at one point, and hopped into their limo for a ride. It appeared as if the ride might have been filmed for a show, since a professional light and camera was in the limo.

While the Black Skinhead singer has been touring the east coast, Kim has largely stayed at their home base in Los Angeles, where she has been caring for their 8-month-old baby, North West.

The mother-daughter duo flew into New York Thursday, in time for Valentine's Day, where Kanye presented Kim with 1,000 roses. 

At some point, Khloe and Kourtney also left the warmth of California and joined their sister - who was the guest of honor at the charity event - for the weekend.