Kim and Khloe Kardashian Flaunt Curves in Sexy Black Dresses at NBC Universal Upfronts- Who Wore it Best? (PHOTOS)

Kim Kardashian and her younger sister Khloe Kardashian stunned at the NBCU Cable Upfronts on Thursday, May 15 in New York. The reality star sisters both opted for sexy black dresses with high slits that showed off their famous curves.

Kim's LBD flaunted her cleavage, while Khloe chose a nude cover-up to conceal her chest. At the event, Khloe and Kim told E! News' Giuliana Rancic and Ross Mathews that they both chose to get dressed together that day.

Khloe even revealed a little ritual she and her sister did before stepping out on the red carpet.

"I said, 'We have to do vagina checks,'" the outspoken Khloe said, explaining that when you wear a dress with a high slit you have to make sure nothing is showing.

"I said, 'No, Kim your vag is tucked away perfectly,'" she added.

The girls also dished on the upcoming season of their family reality show "Keeping Up With the Kardashians" and said it's "going to be a little crazy."

"I think there's going to be something that not even you guys can expect," Kim said. "There's something really exciting and it airs June 8, so you'll see that."

"It's like a telenovela!" Khloe added. "I feel every episode is so dramatic... Wham-bam, everything happens."

The new season will most likely continue to focus on Khloe's failed marriage to Lamar Odom, Kris and Bruce Jenner's split and Kim's upcoming wedding to rapper Kanye West. It was recently revealed that West and Kim won't be saying "I do" in Paris, as previously thought, but in Florence.

A source told "Entertainment Tonight" that the couple plans on having a pre-wedding dinner in Paris for their guests and then flying everyone to Florence, Italy for the ceremony. West and Kim are expected to get married on May 24.

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