Some stars like Rosie O'Donnell and Evan Rachel Wood have even donated their time, in addition to monetary donations, to organizations working with immigrants at the border.
Here are 12 celebrities who have donated time or money to help immigrants so far.
Rosie O'Donnell has said she'll attend a vigil in El Paso, Texas to protest against the detainment of immigrant children.
O'Donnell has previously tweeted about her support for the organization, which advocates for children and immigrants being detained at the border.
Lights for Liberty describes itself as a "coalition of people... dedicated to human rights, and the fundamental principle behind democracy that all human beings have a right to life, liberty and dignity." On July 12, the organization is holding a series of vigils across the United States to "protest the inhumane conditions faced by refugees" in detention centers.
For her birthday this year, Mindy Kaling donated $1000 to RAICES, a Texas-based nonprofit helping immigrants at the border.
After Donald Trump appeared on Jimmy Fallon's "The Tonight Show" as a nominee in 2016, the host later made a donation to RAICES.
After Donald Trump appeared on "The Tonight Show" in 2016, host Jimmy Fallon was widely criticized for the lighthearted way he engaged with the president, then just a nominee for the Republican party.
Fallon shared in a 2018 interview that he regretted the decision, especially the decision to playfully ruffle Trump's hair — something many people have said helped to humanize the president in the 2016 election.
The president fired back at Fallon over Twitter after the interview was published, calling the host "whimpering" and telling him to "be a man."
In response to Trump's tweet, Fallon shared on Twitter that he was making a donation to RAICES in the president's name.
Comedian Mike Birbiglia gave over $5000 to RAICES' Families Together fund in 2018.
In 2018, comedian Mike Birbiglia told fans on Twitter he would donate to RAICES — specifically the organization's " Families Together" fund, which aims to keep families united at the border as they navigate the immigration system — for every retweet he got on his birthday.
Birbiglia revealed the next day that he was able to donate over $5000 to the organization.
George and Amal Clooney donated $100,000 to the Young Center for Immigrant Children's Rights in 2018.
In 2018, actor George Clooney and his wife, lawyer Amal Clooney,donated $10,000 to the Young Center for immigrant children's rights, an organization that supports and advocates for young migrants.
"At some point in the future our children will ask us: 'Is it true, did our country really take babies from their parents and put them in detention centers?' And when we answer yes, they'll ask us what we did about it," the Clooneys said in a statement to the Hollywood Reporter.
On its website, the Young Center says it aims "to change the immigration system so that children in immigration proceedings are recognized as children, and best interests are made a part of the decision making process."
In 2018, Chrissy Teigen and John Legend donated $288,000 to the ACLU in honor of President Trump's birthday.
Model Chrissy Teigen and her husband John Legend donated $288,000 to the ACLU in 2018 in honor of the president's birthday.
In a statement Teigen posted to Twitter, the model and her husband slammed President Trump and his administration's immigration policies, calling them "inhumane," "cruel," and "anti-family."
The couple in turn praised the ACLU for "defending the rights" of "vulnerable immigrant families" in addition to their work supporting reproductive rights and "holding the Trump administration accountable whenever possible."
Teigen and Legend shared that each member of their family of four — including their children, Luna and Miles — donated $72,000 to the ACLU, bringing their total donation to over $250,000.
Producer Judd Apatow donated $10,000 to the ACLU in 2018.
Producer and comedian Judd Apatow denounced the Trump administration's immigration policies in 2018, saying in a tweet, "The way our country treats children and immigrants is shameful."
The comedian went on to say that he'd match $10,000 in donations to the ACLU "to help them fight Trump's nightmarish immigration policies," and encouraged his followers to donate.
Apatow was ultimately able to give $10,000 to the ACLU of Southern California.
Alyssa Milano offered to foster detained immigrant children at her home in 2018.
In 2018, actress Alyssa Milano offered to foster detained immigrant children in a letter to Cayuga Centers CEO Edward Myers Hayes.
The actress asked to help foster children who'd been detained at the US border in her letter, which was obtained by the Hollywood Reporter, and said that the children "need compassion, stability and love more than ever."
"To them, I offer my home and my heart; my love and whatever stability I can give them until they can be reunited with a parent," Milano wrote.
"I cannot let these children hurt any longer: Mi casa es la casa de ellos," Milano concluded.
Cayuga Centers is the New York-based nonprofit that was tasked with helping find foster families for detained migrant children.
Evan Rachel Wood traveled to Texas in 2018 to help support organizations working with immigrants.
"Westworld" star Evan Rachel Wood traveled to Texas in June 2018 to donate her time to organizations working with immigrants at the border.
The actress urged her followers to also donate to Texas-based organizations fighting for immigrant rights.
Singer Sia announced in January 2017 that she would match up to $100,000 in donations to the ACLU, and ended up raising over $300,000 for the organization with her fans.
Australian singer-songwriter Sia said on Twitter in January 2017 that she would match up to $100,000 of donations to the ACLU, and urged her followers to "help our queer & immigrant friends."
Sia and her fans donated over $300,000 to the ACLU, with the singer sharing her receipt for her $100,000 donation on Twitter.