Celebrities all across the United States have joined forces with ordinary Americans to raise their voices in solidarity for better gun control laws.

The Supporting Celebrities

From New York City and Washington, D.C. to Seattle and Los Angeles, countless superstars locked arms with fellow protesters to challenge Congressional leaders to create stricter gun laws.

The March For Our Lives was established following the tragic shooting that took place at Marjory Stoneman Douglas High School in Parkland, Florida.

Kim Kardashian is among the celebrities that joined the protest. The Keeping Up with the Kardashians star traveled from Los Angeles to the nation's capital with her oldest daughter, North. Her husband, rapper Kanye West, was also with her to join the advocacy march.

Jumanji: Welcome To The Jungle star Dwayne "The Rock" Johnson also posted on Twitter to show his support. The wrestler-turned-actor addressed his 12.7 million Twitter followers with a photo from one of the marches.

MarchForOurLives pic.twitter.com/4gJ0QKdMYw

— Dwayne Johnson (@TheRock) March 24, 2018

Here are 11 other celebrities that raised their voices, either appearing at various marches or used social media to help spread the March For Our Lives mission.

1. Demi Lovato

2. Lady Gaga

3. Madonna

4. Zendaya

5. Kourtney Kardashian

6. Lena Dunham

7. Reese Witherspoon

8. Alec Baldwin

9. Patton Oswalt

10. John Stamos

11. Cynthia Nixon

The Celebrity Performers

In addition to the celebrities who showed their support for the marches on Twitter, several performers delivered show-stopping performances at several locations of the demonstrations.

According to Pitchfork, Ariana Grande sang "Be Alright" while Common and Andra Day delivered an interpretation their Oscar-nominated song "Stand Up for Something."

Meanwhile, Miley Cyrus, who voiced her support on Twitter for National Walkout Day sang her popular hit "The Climb."

Entertainment Weekly reported that two of Broadway's biggest stars, Lin-Manuel Miranda and Ben Platt, teamed up to perform their collaborative song "Found Tonight."

Setting The Stage For The March

Celebrities have been helping the organizers of March For Our Lives prepare for this massive protest. George and Amal Clooney donated $500,000 to the movement in honor of their twin children, Alexander and Ella.

Also, the celebrity couple inspired Oprah Winfrey and Ready Player One director Steven Spielberg and his wife, actress Kate Capshaw, to match their donation and contributed $500,000 each to bring the advocacy event to life.

Late-night host Stephen Colbert revealed on the Feb. 20 episode of The Late Show with Stephen Colbert that he was impressed with the action taken by the students from Parkland, Florida as they transformed tragedy into action. Colbert admitted that he admired the students of Marjory Stoneman Douglas High School that he wants the voting age to be lowered.

Meanwhile, John Oliver acknowledged the students' plans for the march during the Feb. 18 episode of Last Week Tonight with John Oliver. He was also impressed that the students were taking the controversial gun control issue directly to the adults.

Tags: March For Our Lives Kim Kardashian Dwayne Johnson Miley Cyrus George Clooney