UPDATE 3/21: On Wednesday, Robert De Niro released the following statement through his representative: "My remarks, although spoken with satirical jest, were not meant to offend or embarrass anyone - especially the First Lady."
(CNN) – President Barack Obama's reelection organization said Tuesday it was "inappropriate" for Robert De Niro to joke at a campaign fundraiser in New York Monday that America wasn't "ready for a white first lady."
"We believe the joke was inappropriate," Olivia Alair, Campaign Press Secretary to the First Lady, said in a statement.
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The campaign's comment came after Newt Gingrich delivered a scorching response to De Niro's comments at an Obama for America fundraiser, which was attended by first lady Michelle Obama.
While Michelle Obama headlined the event, she was introduced after De Niro's remarks. The event was also attended by a number of other prominent Obama supporters, including Harvey Weinstein and Beyonce.
"Callista Gingrich. Karen Santorum. Ann Romney. Now do you really think our country is ready for a white first lady?" De Niro asked to cheers from the crowd. "Too soon, right?"
Speaking Tuesday, Gingrich labeled the comments "inexcusable," and called on Obama to apologize.
"I do want to say one thing, both on behalf of my wife and on behalf of Karen Santorum and on behalf of Ann Romney, I think that Robert De Niro's wrong," Gingrich said. "I think the country is ready for a new first lady and he doesn't have to describe it in racial terms."
Gingrich immediately clarified he thought Michelle Obama, along with the wives of his fellow GOP presidential candidates, were all "fine ladies."
"But this is not about the first lady," Gingrich continued. "It's about the president. That's where De Niro missed the whole point. De Niro is rich enough he probably doesn't notice the price of gasoline. He's successful enough he probably doesn't notice the unemployment rate. As the Hollywood actor, he might well be shortsighted enough he doesn't understand what it might do to our children and our grandchildren."
Gingrich called on Obama to apologize for the remarks, since they were made at an event raising money for his reelection.
"What De Niro said last night was inexcusable and the president should apologize for him. It was at an Obama fundraiser, it is exactly wrong, it divides the country," Gingrich said, adding that the left was quick to call out conservative talk show hosts for offensive comments but silent when the vitriol comes from the left.
"If people on the left want to talk about talk show hosts, then everybody in the country should hold the president accountable when someone at his event says something that is utterly and terrible unacceptable as what Robert De Niro said," Gingrich said.
Speaking on the Laura Ingraham Show Tuesday, fellow presidential candidate Rick Santorum largely avoided weighing in on De Niro's comments.
"It's just someone from Hollywood or someone from the entertainment industry just spouting off as they do," Santorum said. "It's sad, but I'm not going to bite on that one. It's just sad. The idea of looking at politics through eyes of race should be over. That's just over. I don't know where he thinks he's coming from."
CNN's Chris Welch and Kevin Liptak contributed to this report.