Jay Z has announced that he and Beyonce are slated to take on a 22-day plant-based challenge.

Jay announced this change in diet in a statement released via lifeandtimes.com

“Psychologists have said it takes 21 days to make or break a habit,” Jay Z said in a statement. “On the 22nd day, you’ve found the way.

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“On December 3, one day before my 44th birthday, I will embark on a 22-Days challenge to go completely vegan, or as I prefer to call it, plant-based,” Jay continued. “This all began a few months back when a good friend and vegan challenged me to embrace a ‘plant-based breakfast’ everyday. It was surprisingly easier on me than I thought.” 

Jay Z also said that his age plays a factor in the decision.

“Why now?” Jay said. “There’s something spiritual to me about it being my 44th birthday and the serendipity behind the number of days in this challenge; 22 (2+2=4) coupled with the fact that the challenge ends on Christmas day…It just feels right.” 

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Jay Z also announced that he is slated to report his progress publicly.

“So you can call it a spiritual and physical cleanse,” he said. “I will post my progress…Any professional vegans out there that have any great food spots, please help out. Please ha. I don’t know what happens after Christmas. A semi-vegan, a full plant-based diet? Or just a spiritual and physical challenge? We’ll see.” 

Jay Z ended the statement by saying Beyonce would join him on the challenge. 

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This year, Jay Z and Beyonce combined to make more money than any other couple in the entertainment industry with an estimated $95 million in earnings over the the course of a year, according to Forbes.com. The report measured the earnings of celebrity couples from June 2012 through June 2013. 

RELATED: Jay-Z & Beyonce Top Forbes’ Highest-Earning Celebrity Couples List