14 Most Controversial Roseanne Barr -- And 'Roseanne' -- Moments of All Time

Patricia Arquette, Kumail Nanjiani and Don Cheadle are among the Hollywood stars contributing to the wave of backlash over what Barr described as a "bad joke."

UPDATE: ABC cancelled "Roseanne" Tuesday morning.

"Roseanne's Twitter statement is abhorrent, repugnant and inconsistent with our values, and we have decided to cancel her show," the network said.

Just before ABC made the announcement, star Sara Gilbert tweeted, "Roseanne’s recent comments about Valerie Jarrett, and so much more, are abhorrent and do not reflect the beliefs of our cast and crew or anyone associated with our show. I am disappointed in her actions to say the least. This is incredibly sad and difficult for all of us, as we've created a show that we believe in, are proud of, and that audiences love -- one that is separate and apart from the opinions and words of one cast member."

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Roseanne Barr found herself trending on the top of Twitter Tuesday morning, but not for any of the reasons one might want such attention.

The "Roseanne" star was being raked over the coals for her overnight tweetstorm that saw her attack both Chelsea and Hillary Clinton, and compare a former Obama senior adviser to an ape.

The ABC sitcom star apologized Tuesday morning for what she described as a "bad joke" about former Obama adviser Valerie Jarrett, who is African-American, but most people on Twitter weren't buying it. Barr had tweeted, "muslim brotherhood & planet of the apes had a baby=vj," in response to another person bringing up Jarrett's name. That tweet has since been deleted, but its clear racist overtones were not so quickly forgotten.

Wanda Sykes, who served as a consulting producer on nine episodes of the rebooted sitcom, tweeted out that she will not be returning for the next season. Jemele Hill, the ESPN "SportsCenter" host who famously enraged the president when she called him a white supremacist, tweeted a very careful non-response to the ongoing controversy.

While Hill wasn't fired at Donald Trump's behest, she was subsequently suspended by the network for violating its social network policy when she tweeted that fans who disagreed with Cowboys owner Jerry Jones statement that he would bench any player who didn't stand for the national anthem should boycott Cowboys advertisers. This time, she's staying out of the fray.

But there were plenty of voices rising up throughout the morning Tuesday. Below are some of their most passionate responses.

View Photos Getty 21 Famous Faces You Totally Forgot Appeared in 'Roseanne'

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