When it comes to once-beloved comedians who have become universally loathed pariahs, Bill Cosby is tough to top.

Yet it didn’t have to be that way.

Continued success was all but assured.

Roseanne Barr at 2018 Roseanne premiere

Yet it took less than 60 seconds for Barr to shift from America’s sweetheart to Public Enemy No.

1 when she sang"The Star Spangled Banner"at an MLB game.

“I thought that it would be very funny,” she said.

Roseanne Barr singing national anthem in 1990

“None of this was meant viciously.

Nobody feels worse than me.”

Barr’s parents, Helen and Jerome Barr, denied all her allegations.

Roseanne Barr at 2018 press conference

“Now you don’t think you were sexually abused?”

asked host Sean Hannity, as reported by theDaily Mail.

“Well, I think psychologically,” Barr replied.

Roseanne Barr and the cast of Roseanne

“Everybody in my whole family is messed up.”

If you or anyone you know has been a victim of sexual assault, help is available.

According to Barr, Arnold “became extremely abusive to people.

Roseanne Barr and Tom Arnold

It was my fault for bringing him there.”

Barr and Arnold stirred up tension with the show’s writing staff by constantly rewriting scripts.

“The writers had a fear of me and her,” Arnold admitted.

Roseanne Barr in 2018

“I was number 2,” she said.

“The writers did not think it was funny.”

I think they learned something from it."

Roseanne Barr with Roseanne for President poster

She also took a pair of scissors to Arnold’s credit cards.

The following year, Barr married Ben Thomas, whom she’d previously employed as her bodyguard.

They divorced in 2002, and share a son, Buck.

Roseanne Barr at 2005 DVD launch event

“Apparently, she is mocking the Holocaust,” O’Reillysolemnly told viewers.

“Oh my god, you don’t wanna piss off Jews,” she said.

“Even if you’re a Jew, don’t piss off Jews.”

Wide-eyed Roseanne Barr

AsEntertainment Weeklyreported, Barr announced her candidacy during an appearance on “The Tonight Show.”

Calling that ‘depression’ is a lie!"

That, reportedCNN, was because she tweeted the home address of Zimmerman’s parents.

Roseanne Barr at Tribeca Film Festival

Several of the survivors of thehorrific massacrewere spurred into activism, calling for tougher gun-control legislature.

Among those was Parkland student David Hogg, who lent his voice to the cause.

“President Trump has freed so many children held in bondage to pimps all over this world.

Roseanne Barr at SiriusXM

and then, “tell Qanon to DM me in the nexxt 24 hours.”

AsInsiderreported, the episode titled “Go Cubs” found Barr’s character suspicious that her neighbors were terrorists.

The episode was hit with backlash on social media.

Roseanne Barr in Go Cubs episode of Roseanne

Among those offering criticism was Muslim-American writer and editor Elham Khatami.

“This is tired,” Khatami wrote in a since-deleted tweet.

“Roseanne thinking her Muslim neighbors are terrorists isn’t funny.

Roseanne Barr at TCA Press Tour

Not even for a second.

Muslims deal with that bigotry on a daily basis.

And it’s dangerous” (via Insider).

Roseanne Barr at live event in 2018

Too little and too late, Barr tweeted a mea culpa.

“I apologize to Valerie Jarrett and to all Americans.

““Well, I’ve apologized a lot.

Roseanne Barr, Sara Gilbert

It’s been two months,“she said.

“I feel like I have apologized and explained and asked for forgiveness and made recompense.”

It cost me everything, my life’s work, everything.

I made a mistake and I paid a price for it.”

Host Sean Hannity then encouraged Barr to apologize directly to Jarrett.

It was political,” Barr said.