Stepping out for an afternoon of book signing, Kourtney and Khloe Kardashian were spotted at Barnes & Noble in New York City on Wednesday (November 16) & 1212 Fifth Avenue in New York City in the evening.

The “Keeping Up with the Kardashians” sisters both looked trendy in flared slacks with Khloe’s long locks hanging down and Kourt’s pulled up into a tight bun as they sat down to sign copies of their new literary offering titled “Dollhouse.”

Kourtney and Khloe also crossed state lines for another function at Bookends Bookstore in Ridgewood, New Jersey before calling it a day on their “Dollhouse” duties.

Thanking all those who turned up at the seemingly successful trio of stops, Khloe happily wrote, “TU sooooo much 4every single person who came 2all 3 of our signings today!! So crazy and blessed! We sold out at all locations!”

The Kardashian duo are partaking on the book promotional escapade sans sister Kim, who has kept a lower-than-usual profile since splitting with short-time husband Kris Humphries earlier this month.

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Public Appearances > 2011 > Launch of Kardashian’s ‘Dollhouse’ – November 16, 2011

Making their return to New York City, Khloe and Kourtney Kardashian were spotted arriving at JFK International Airport last night (November 15).

The “Keeping Up with the Kardashians” sisters both wore sunglasses and chatted on their mobile phones as they strolled through the terminal.

Khloe and Kourtney are in the Big Apple to promote their new novel “Dollhouse” and will appear at Barnes & Noble today followed by a swanky private party at a Manhattan residence.

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Candids > 2011 > Arriving in NYC – November 15, 2011

With Rob Kardashian on Dancing With the Stars, the whole Kardashian clan came out each week to show its support. Well, almost the entire clan. Absent until the Oct. 31 show was Scott Disick, the father of Kourtney Kardashian‘s son,Mason! Now insiders tell Life & Style that Kourtney had banned her boyfriend from the tapings — and with good reason!

In the new issue, on newsstands now, sources reveal to Life & Style that Scott had an affair with Kristin Cavallari, a DWTS contestant until being eliminated in early October and newly single at the time, just before Kourtney became pregnant with her and Scott’s child.

“While Kourtney and Scott were on a break, Scott hooked up with Kristin,” a friend reveals to Life & Style.

So when both Rob and Kristin were confirmed as contestants on DWTS, “Scott and Kourtney argued about Kristin,” a friend confirms. “Kourtney can’t stand her now and didn’t want Scott at show tapings.”

A Kardashian pal confirms that “Scott and Kristin hooked up in Las Vegas during a time [February 2009] that he was on a break from Kourtney.” The Kardashian pal adds that Kristin, Kourtney and Scott were best friends with Kristin during herLaguna Beach days and even after Kristin stopped dating Kourtney’s stepbrotherBrody Jenner. Hanging out at Brother Jimmy’s in NYC or dancing at the Fontainebleau Hotel in Miami, the three reality stars were close until Kourtney first caught Scott and Kristin on a date at Apple Lounge in LA on March 11, 2009.

She and Kristin have been enemies ever since. “Kourtney was furious,” the Kardashian pal tells Life & Style. “She and her sisters have called Kristin ‘the whore bag’ ever since.”

But that wasn’t the only rendezvous Scott and Kristin had. “Actually, Scott and Kristin were hooking up on and off for a year, maybe even two,” a second Kardashian friend reveals to Life & Style. “When Kourt and Scott would fight, he’d party with Kristin and hook up.”

Things have gotten so bad between Scott and Kourtney lately that an insider tellsLife & Style that Scott moved out of their hotel suite and into his own room at the Gansevoort Park Avenue in NYC while the two were in town filming Kourtney & Kim Take New York. “I’m seeing Scott slip back into his old patterns,” Kourtney says in the Nov. 27 premiere of Kourtney & Kim Take New York.

Kourtney & Khloe Kardashian arrived at LAX airport to catch a flight out of Los Angeles. Kourtney bought some magazines before boarding their flight at Los Angeles International Airport (LAX). Whilst standing at the newsstand they can’t help but notice their sister Kim on several magazine covers.

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Candids > 2011 > At LAX – November 15, 2011

Our fab Dollhouse team just released this trailer and Q&A video for our new book,DollhouseWe had a shoot for the novel a couple of weeks back and answered a lot of the questions you guys had sent in.

Make sure you ‘Like’ Dollhouse on Facebook to get all the latest updates on the book!! You can pre-order the book now on Amazon and at Barnes and Noble!

We’ll be doing book signings next week in LA, NYC and NJ! Can’t wait to see you guys. Seeing my mom have so much fun at our book signings has gotten me really excited for ours!

11/16 Barnes & Noble NYC signing at 12:30 555 Fifth Avenue at 46th Street

11/16 Bookends NJ Signing at 5:30pm 211 E. Ridgewood AVE Ridgewood, NJ 07450

11/18 Barnes & Noble LA signing at 7pm The Grove

Source: KourneyKardashian.com

They’re one of the most tight-knit families in Tinseltown, and last night (November 7) the Kardashians hit the town to celebrate Lamar Odom’s birthday.

Khloe and Kourtney Kardashian, Kris, Bruce and Kylie Jenner, Scott and Mason Disick, Mark Ballas and Lamar Odomall enjoyed dinner at the El Floridita Cuban Restaurant in Hollywood to mark the special occasion.

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Candids > 2011 > El Floridita Cuban Restaurant – November 7, 2011