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Khloe Kardashian, Kim Kardashian, Kourtney Kardashian, Kris Jenner

Courtesy TAO/Denise Truscello

Now this isn't a nice way to head into Mother's Day this weekend.

In Touch Weekly is reporting that there's a growing rift between Kim Kardashian, Kourtney Kardashian and Khloe Kardashian Odom and their mother, Kris Jenner, trotting out a barrage of allegations that paint an unflattering image of Kris' involvement in her daughters' personal and professional affairs.

Among other things, the mag is claiming that Kim and Khloé skipped out on an April 22 bash that Kris threw in New York City, and that Kim is slowly cutting her mom out of her business dealings.

Kris, however, is ready to set the record straight and is speaking out against the magazine's accusations…

"Yet another ridiculous story," Kris wrote on her blog today. "I never threw a party anywhere on April 22nd, however our entire family was in NYC filming season 7 of Keeping Up With the Kardashians and having the time of our lives!!"

The mag quotes an unnamed source who alleges that Kim has started to renegotiate her contract as a spokeswoman for Tao restaurant in Las Vegas, but without Kris. It also cites a purported eyewitness at the Manhattan party in question, who claims that her daughters' absence left Kris "visibly shaken and in tears."

Kris, however, is standing firm on her close bond with Kim, Kourtney and Khloé .

"My daughters and I have an amazing relationship and I feel like the luckiest mom in the world to spend such quality time with all my kids and my grandson!" she wrote. "We are truly blessed!!! Happy Mothers Day!!!"

Last month, the Kardashians reupped with E! for another three seasons of Keeping Up With the Kardashians, including the upcoming 18-episode seventh season of the hit show, which premieres May 20 at 9 p.m.