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OTRC: Kim Kardashian and sisters dish on Kanye romance and Lamar rumors - See video

Khloe, Kim and Kourtney Kardashian appear on the May 14, 2012 episode of 'The Tonight Show.' (NBC)

The Kardashian sisters, Kim, Khloe and a very pregnant Kourtney, stopped by "The Tonight Show" on May 14 to promote the upcoming premiere of the new season of "Keeping Up With The Kardashians" on May 20. Not only did the sisters get a little snarky with each other, they also talked about Kim's romance with Kanye West and Khloe taking a break from filming another season of "Khloe & Lamar."

Kim has been linked to rapper Kanye West since early April and the rapper released a song called "Theraflu" [which was later renamed "Cold"] and mentioned a woman named "Kim" in the song.

"I admit I fell in love with Kim / 'Round the same time she fell in love with him" West raps. "That's cool, baby girl, do your thing / Lucky I ain't had Jay drop him from the team." The last lyric likely refers to Jay-Z. West is friends with Jay-Z and the two collaborated together on the album "Watch The Throne." Jay-Z is also part owner of the New Jersey Nets, which is the NBA team Kim's ex-husband Kris Humphries plays on.

"I don't know if he wrote it for me," Kim told "Tonight Show" host Jay Leno on the show, which can be seen below, when asked if the song was written for her.

"I feel like the lyrics kinda say he wrote it for you," Khloe chimed in. "I think the song is self-explanatory. I think it definitely says it's for her."

Kim continued to play coy about the romance and said, "I think my name's in it."

Leno later asked Khloe about rumors her reality series "Khloe & Lamar" was canceled, a rumor her spokesperson denied in late April, saying the series was merely "on hold."

"I understand that people need to sell magazines," Khloe said on "The Tonight Show." "I didn't pull the plug on any show, we just wanted the summer.

Khloe also talked about the fact that Lamar Odom is on the short list to represent the United States on the Olympic basketball team for the 2012 Summer Olympics. The reality star said Odom was "in the top 20" and will try out for the team in July. One 12 athletes are chosen for the team.

"I mean, Lamar and I have fun doing what we're doing. 'Keeping Up' is a show that we're taping and that we always do," Khloe said. "I don't know how something spun so far out in the media. We're just doing what makes us happy, so until it doesn't make us happy, we'll do it."

The sisters also talked about rumors that reignited earlier this year about whether or not the late Robert Kardashian Sr. is Khloe's biological father. The rumors were sparked by two of Robert Kardashian Sr.'s ex-wives who claimed he told them Khloe was not his biological daughter.

Robert Kardashian, a lawyer, died at age 59 in 2003 after battling cancer. He and Jenner, his first wife, were married between 1978 and 1990. The two also have a son, Robert, who is 24. Jenner also has two daughters, Kylie and Kendall, with current husband Bruce Jenner.

Khloe Kardashian, 27, is taller than her sisters Kim, 31, and Kourtney, 33, and has naturally lighter hair then her raven-haired siblings. Khloe and her younger sister Kylie even joked online about the rumors posting a photo of Khloe with her "real dad."

When asked about the rumors, Kim began to explain, "My dad's ex-wives that he was married to for two seconds . . ."

She was then cut-off by Khloe who quipped, "Runs in the family," a reference to Kim's 72-day marriage to Humphries.

"Good one," Kim replied with a laugh.

The sisters then explained that Khloe takes another DNA test -- she had previously taken one in 2009 to prove that Kris Jenner was her mother -- in the first episode of the new season because their mother insisted on ending the rumors once and for all.

In April, it was announced that "Keeping up with the Kardashians" and its various spin-off shows have been renewed for another three years. While details weren't disclosed, TMZ reported that the deal cost the network at least $40 million, which would make it the biggest deal in reality TV history.

Check out the Kardashian sisters on "The Tonight Show" below.

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