Lea Michele is facing accusations that she was racist and bullied other cast members when she filmed Fox's Glee.
The Broadway star, 33, appeared on the hit series from 2009-2015 and this week after she Tweeted a message of support for George Floyd and the Black Lives Matter movement.
The message she posted on Saturday read: "George Floyd did not deserve this. This was not an isolated incident and it must end. #BlackLivesMatter.”
Here is a look at the accusations she is facing in full and some of the moments that have led to earning her diva reputation.
Lea's message sparked fury first with former her former Glee co-star Samantha Marie Ware - who called out Lea for her own behaviour and accused her of hypocrisy.
Samantha, who starred in 11 episodes of Glee in 2015, playing a character named Jane Hayward, hit out at Lea on Monday to blast the actress for unkind behaviour – and claims she was almost driven out of Hollywood herself due to the abuse she claims she suffered.
Replying on Twitter, Samantha, 28, wrote: “Remember when you made my first television gig a living hell?!?! Cause I’ll never forget.
“I believe you told everyone that if you had the opportunity you would ‘s*** in my wig!’ amongst other traumatic microaggressions. That made me question a career in Hollywood..."
Following this a number of other Glee stars took to the social media site to share the horrible encounters they experienced with Lea.
Dabier Snell, who appeared in a 2014 episode of Glee, tweeted at Lea: "GIRL YOU WOULDN'T LET ME SIT AT THE TABLE WITH THE OTHER CAST MEMBERS CAUSE ‘I DIDNT BELONG THERE' F*** YOU LEA."
"I try to bring good vibes and create content for people to laugh and enjoy! Seeing her message brought back bad memories of being less than on set of glee. Ain't goin stand for her being fake like she care," Snell added.
While Amber Riley, who played Mercedes Jones during all six seasons of Glee, appeared to subtly join in the spat as she took to Twitter to share a GIF of her raising her hand as if to speak followed by another clip of her sipping a cup of tea, which some fans took to hint she was enjoying the drama.
As fans urged her to spill what was on her mind, Amber shared another GIF of herself with the caption 'Let's Move On' as she revealed she wanted to focus on the protests sweeping America instead.
Later as one Twitter user suggested the claims against Lea were false, Alex Newell, who starred as Unique Adams on the show, spoke out.
"We ain't got not a damn thing to lie about 6 years later!" he cried.
"When my friends goes through something traumatic I also go through it.. that's what friendship is," added Newell.
Heather Morris, who starred as Brittany Pierce in the Glee, also piled into the situation by claiming that Lea was difficult to work with and disrespected others.
Taking to Twitter, Heather wrote: "Let me be very clear, hate is a disease in America that we are trying to cure, so I would never wish for hate to be spread on anyone else.
"With that said, was she unpleasant to work with? Very much so; for Lea to treat others with the disrespect that she did for as long as she did, I believe she SHOULD be called out.
"And yet, it's also on us because to allow it to go on for so long without speaking out is something else we're learning along with the rest of society."
Following the backlash Lea, who has since been dropped as the face of Hello Fresh in wake of the Tweets, addressed the allegations on Wednesday and apologised to Samantha.
She wrote: "While I don't remember ever making this specific statement and I have never judged others by their background or colour of their skin, that's not really the point.
"What matters is that I clearly acted in ways which hurt other people. Whether it was my privileged position and perspective that caused me to be perceived as insensitive or inappropriate at times...
"Or whether it was just my immaturity and me just being unnecessarily difficult, I apologise for my behaviour and for any pain which I have caused.
"We can all grow and change and I have definitely used these past several months to reflect on my own shortcomings."
After the apology actor Gerard Canonico, 30, who starred in the hit Broadway rock musical opposite Michele also waded into the current wave of criticism that is befalling the actress.
He commented on the post: "Seems to have been deleted. So I will try again.
"You were nothing but a nightmare to me and fellow understudy cast members.
"You made us feel like we didn't belong there.
"I tried for years to be nice to you to no avail."
Canonico also slammed Michele's statement which he did not see as a genuine apology.
He added: "Maybe actually apologize instead of placing the blame on how others 'perceive' you. You'll probably just delete this though."
Over the years Lea has built up a diva reputation.
In 2016 Naya Rivera, who starred as Santana Lopez in Glee, released her explosive memoir Sorry Not Sorry in which she spoke about her and Lea's feud.
She admitted that Lea did not talk to her through the whole of filming series six.
Naya believes Lea had problems sharing the spotlight with her.
She wrote: "She had a hard time separating work from our outside friendship, whereas it was a lot easier for me…
"Lea was a lot more sensitive, though, and sometimes it seemed like she blamed me for anything and everything that went wrong."
Naya added: "If I'd complained about anyone or anything, she'd assumed I was bitching about her.
"Soon, she started to ignore me, and eventually it got to the point where she didn't say a word to me for all of season six."
And back in 2010 Lea left Hailee Steinfeld shattered when she crossed paths with her on the Paramount filming lot.
Proving Lea was not fond of being approached by fans, Hailee revealed in an interview back in 2011 that the singer snubbed her when she approached her "idol" for an autograph.
Hailee shared that she spotted Lea when she, aged 14 at the time, was auditioning for True Grit, which she eventually went to star in alongside Hollywood's Matt Damon and Jeff Bridges, but it was not the kind of meeting that holds nice memories - as she was left crying.
Pitch Perfect star Hailee told J-14 magazine: "When I was auditioning for True Grit, I was on the Paramount lot. I was wearing clothes from the 1800s that were big and uncomfortable.
"Glee also films on the lot and I love that show," she added.
Hailee explained: "I saw Lea Michele just walking to her trailer, and I was like, 'That's the girl from Glee. I've got to go ask for her autograph!'
"So I walked up to her and asked for her autograph, but she walked by and a guy came and said, 'Sorry, now's not a good time!"'"
Gutted by the outcome, Hailee admitted: "I was so sad! I was practically crying on the way home."
Rising above the drama and revealing that she still admired Lea, Hailee told: "But she's beautiful, and she has an amazing voice."
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