Eva Longoria is standing by Gabrielle Union.

The 44-year-old Desperate Housewives alumna took to Twitter on Monday and weighed in on the former America's Got Talent judge's recent firing.

"What @gabunion experienced on set at @NBC's #AmericasGotTalent is unacceptable," she tweeted along with an article about Time's Up's response to Union's termination. "It's time for @NBCUniversal to commit to long term, concrete action to fix its toxic workplace culture and ensure safety and equity for all its workers."

Longoria also thanked the 47-year-old actress for "speaking up about toxic culture" at NBC's America's Got Talent and shared a Time's Up petition "calling for accountability and concrete action from @NBCUniversal leadership."

In November, news broke that Union and Julianne Hough, who joined America's Got Talent earlier this year, would not be returning as judges. Later that month, Variety published a report claiming "insiders" alleged there was a "toxic culture at the show."

In the report, Jay Leno was accused of making an "offensive" joke during the show. According to Variety, Union expressed concern over the joke and allegedly urged producers to report it to human resources. The publication, citing "several insiders," claimed the issue of reporting the incident to HR was noted to an NBC executive on set; however, the matter was allegedly never taken to the department.

In addition, Variety, citing sources, claimed Union and Hough were given "excessive notes" on their physical appearances. According to the publication, sources alleged Union was told her hairstyles were "too black" for the show's audience. However, Hough denied receiving notes on her appearance in a statement to Variety.

"America's Got Talent has a long history of inclusivity and diversity in both our talent and the acts championed by the show," NBC and series producer Fremantle said in a statement to the outlet. "The judging and host line-up has been regularly refreshed over the years and that is one of the reasons for AGT's enduring popularity. NBC and the producers take any issues on set seriously."

In a separate statement, NBC and America's Got Talent production companies Fremantle and Syco said they "remain committed to ensuring a respectful workplace for all employees and take very seriously any questions about workplace culture."

"We are working with Ms. Union through her representatives to hear more about her concerns, following which we will take whatever next steps may be appropriate," they added.

Longoria isn't the only one to weigh in on Union's termination. To see other stars' reactions, check out the gallery.

Eva Longoria, Fashion Police Widget

Andrew H. Walker/Shutterstock

Ellen Pompeo, Vanity Fair Oscar Party 2018

Matt Baron/REX/Shutterstock

Ariana Grande, 2018 Met Gala, Red Carpet Fashions

John Shearer/Getty Images

Debra Messing,  28th Annual GLAAD Media Awards

Jason Kempin/Getty Images for GLAAD

Patricia Arquette

Slaven Vlasic/Getty Images

Lin-Manuel Miranda, 2019 Emmy Awards, 2019 Emmys, Red Carpet Fashion

Rob Latour/Shutterstock

Gabrielle Union, Dwyane Wade

Ilya S. Savenok/Getty Images for Hublot

Comic-Con 2019, Yara Shahidi

Matt Winkelmeyer/Getty Images

Sophia Bush, Fashion Police Widget

AFF-USA/Shutterstock

Jay Leno

Courtesy of Mattel

(E! and NBC are both part of NBCUniversal).

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