
Kevin Hart stepped down from hosting the 91st Academy Awards and apologized after tweets he posted between 2009 and 2011 containing derogatory comments about the gay community resurfaced. "I'm sorry that I hurt people... I am evolving and want to continue to do so," Hart tweeted. "My goal is to bring people together not tear us apart. Much love & appreciation to the Academy. I hope we can meet again."

In November comedian Louis C.K. issued a lengthy apology after five women accused him of sexual misconduct in a New York Times story. "These stories are true," he said in his statement

Gene Simmons tweeted, "I didn't express myself properly,' when he commented about Prince's death which Simmons had called "pathetic."

In May 2016 Lauryn Hill apologized to those who attended her concert at Chastain Park Amphitheater in Atlanta, Georgia. Hill was two hours late and said on a Facebook posting that "The challenge is aligning my energy with the time, taking something that isn't easily classified or contained, and trying to make it available for others."

Steve Harvey had to apologize after he incorrectly announced Miss Colombia Ariadna Gutierrez at the winner at the Miss Universe pageant in December 2015. The winner was actually Miss Philippines Pia Alonzo Wurtzbach.

Superstar weatherman Al Roker apologized after he tweeted a photo of him and his crew covering the floods in South Carolina that many deemed "insensitive."

Actor-filmmaker Matt Damon apologized over comments made about diversity on the HBO reality show "Project Greenlight," but his apology fell flat with some.

Comedian and actor Steve Rannazzisi originally claimed that he was in the World Trade Center on September 11 but now says he wasn't. He has apologized.

Oscar-nominated star Benedict Cumberbatch apologized for referring to black actors as "colored" during his interview with PBS' Tavis Smiley about the lack of diversity in the British film industry. Cumberbatch said he was an "idiot" and "devastated" at his choice of words.

After calling the gay community misogynistic on an episode of Bret Easton Ellis' podcast, Rose McGowan offered an apology of sorts. "Misogyny endangers me as a human. It also endangers the LGBT community," McGowan tweeted after her comments were criticized. "Could I have articulated my frustration in a better fashion? Undoubtedly. For that I apologize, but I stand by the overall point."

John Grisham took back statements he made about child pornography and sex offenders. In an interview with the UK's Telegraph, the lawyer and prolific author sparked outrage when he expressed his belief that some people who view child pornography online are receiving punishments that don't match the scale of the crime. He later issued a statement saying, "Anyone who harms a child for profit or pleasure, or who in any way participates in child pornography -- online or otherwise -- should be punished to the fullest extent of the law."

U2 frontman Bono apologized on behalf of his band after facing a huge backlash for releasing an album for free. It wasn't so much the lack of a price tag that drew ire but the fact that it was automatically downloaded to iTunes users' libraries. "Might have gotten carried away with ourselves," Bono said during an October 2014 Facebook chat. "Artists are prone to that thing."

Reese Witherspoon had to apologize for her drunken actions when she was caught on camera mouthing off to a police officer after she and her husband were pulled over in 2013. "It's completely unacceptable, and we are so sorry and embarrassed. We know better, and we shouldn't have done that," Witherspoon said on "Good Morning America." She then gave a semi-apology in 2014 with the admission: "It's part of human nature. I made a mistake."

After Jason Biggs tweeted -- and defended -- a joke about the Malaysia Airlines crash in July 2014, he deleted his tweets and apologized for his remarks, saying, "People were offended, and that was not my intent. Sorry to those of you that were." He continued, "I understand that my comments might have come off as insensitive and ill-timed. For that, I apologize."

Gary Oldman was so remorseful for his remarks about Jewish people and Hollywood that he apologized twice.

Justin Bieber is no stranger to the public apology, having said sorry for mistakenly kicking the Argentinian flag and saying "F*** Bill Clinton" after urinating in a janitor's mop bucket. In early June 2014, he apologized not once but twice after racially offensive videos of him surfaced.

Being trailed by the paparazzi got the better of actor Jonah Hill in early June 2014. The "22 Jump Street" star made a lewd remark and used a homophobic slur while in a confrontation with a paparazzo. He quickly apologized for his words, first on Howard Stern's radio program and then on "The Tonight Show" with Jimmy Fallon. His in-depth mea culpas were met with equal parts praise and criticism.

"Seinfeld" star Michael Richards went from beloved comic actor to persona non grata after he erupted during a standup performance in November 2006, screaming racial slurs at an African-American man in the audience. After video of his tirade went viral, Richards appeared on CBS' "Late Show with David Letterman" to say that he was "very, very sorry."

All the apologies in the world couldn't repair Kanye West's PR damage after he interrupted Taylor Swift's acceptance speech at the 2009 MTV Video Music Awards. Although he apologized more than once -- via Twitter, by phone and on "The Tonight Show" with Jay Leno as host -- public opinion wasn't swayed.

During Winona Ryder's 2002 trial for shoplifting from Saks Fifth Avenue, the shopping outlet's security chief testified that Ryder apologized with the claim that she'd committed the crime for a role. "She said, 'I'm sorry for what I did. My director directed me to shoplift for a role I was preparing,' " the security chief said.