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OTRC: Kim Kardashian surprises Kris Humphries at Las Vegas bachelor party, reports say

Kim Kardashian in a still form her 'Tonight Show' appearance on August 31, 2010. (NBC)

Kim Kardashian had her big bachelorette party in Las Vegas on Saturday night and while her sister Khloe tried her best to embarrass the "Keeping Up With The Kardashians" star, Kim ended up hopping over to her fiancé Kris Humphries' bachelor party.

The 30-year-old reality star celebrated her final few weeks of single life at Tao Las Vegas with sisters Khloe and Kourtney Kardashian and with friends LaLa Vasquez Anthony and Brittney Gastineau, according to People magazine.

"My sisters are doing everything they can to embarrass me," Kim Kardashian reportedly told the crowd. She later said on her Twitter page that she had an "Amazing night!"

The magazine reports that Kardashian then crashed her fiance's bachelor party at LAVO, a venue close to where she was having her bachelorette party, at 2 a.m. Humpries was partying with Kim Kardashian's brother Rob Kardashian, as well as Scott Disick, who is Kourtney Kardashian's boyfriend, and Lamar Odom, Khloe Kardashian's husband.

Us Weekly reports that the couple kissed in front of a crowd at the club and danced while cameras captured the event for "Keeping Up With The Kardashians." Kim Kardashian and her guests stayed for around ten minutes before departing.

Kardashian and Humphries began dating in December 2010 and the basketball player proposed in May with a $1 million, 20.5 carat engagement ring.

Humphries, who plays for the New Jersey Nets, will be the second NBA player to join the family since Khloe married Los Angeles Lakers star Lamar Odom in 2009. But while Khloe's wedding came together in just 9 days of planning, she predicts that her sister will "go big."

"Kim goes big. It's not going to be small. And I joke and I say it will be like the Royal Wedding, because she is just like that," Khloe Kardashian told People earlier in the month. "I don't want to help because Kim is going to be such a bridezilla! If I do one thing wrong, I'll be screwed! But I would love to be in the wedding."

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