In 2015, pop star Ariana Grande was captured on a surveillance camera at a California doughnut shop, licking pastries she didn’t intend to buy.

>> Watch a news report on #DonutGate

“I hate America,” the singer said during the video, apparently commenting on the fattening food options in the U.S.

But according to leaked emails from Democratic Party officials, the #DonutGate fallout and some of the star's other actions cost her a chance to perform at a White House gala.

>> Ariana Grande issues another apology

Summarizing the case against Grande, staffer Kevin Snowden wrote in an email:

>> WikiLeaks dump could confirm Sanders fans' worst fears about the DNC

"Ariana Butera-video caught her licking other peoples' donuts while saying she hates America; Republican Congressman used this video and said it was a double standard that liberals were not upset with her like they are with Trump who criticized Mexicans; cursed out a person on Twitter after that person used an offensive word towards her brother."

Read the full email correspondence here.

– The Cox Media Group National Content Desk contributed to this report.