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Make no mistake: March For Our Lives is Watch Good Looking Girl Onlineabout curbing gun violence, and the students at Marjory Stoneman Douglas High School made it happen. But having a few famous faces around never hurts.

It wasn't just "a few," however. Celebrities were out in full force, and in a variety of locations, to support stricter gun controls and other legislative efforts meant to ensure that incidents like the school shooting in Parkland never occur again.

To their credit, attending celebrities didn't try to steal the moment or make it about themselves. Some showed up to put their familiar face behind a powerful movement. Others pointed back at the brave teens who turned their grief into something positive.

What stands out most is how many of these well-known public figures opted to add their voice to the mix. Even in this era of Trump, when it feels like there are important, meaningful public demonstrations on a weekly basis, the turnout of famous faces supporting March For Our Lives felt like a lot.

Hamiltoncreator Lin-Manuel Miranda and Dear Evan Hansenstar Ben Platt performed "Found/Tonight" together at the main march, in Washington, D.C. The song amounts to a medley, featuring Hamilton's "Story of Tonight" and Dear Evan Hansen's "You Will Be Found."

Miley Cyrus also performed one of her own songs, "The Climb," at the D.C. march. That song was said to be a favorite of Alyssa Alhadeff, a freshman who was killed in the Parkland shooting.

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Former Beatle Paul McCartney joined the New York City march. He indirectly invoked the murder of John Lennon, who was shot outside his NYC apartment in 1980, as a reason for his supporting the movement.

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Plenty of celebs also attended just to be there. A vast range of famous figures, from comedian Billy Crystal to a large portion of the Parks and Recreationcast, turned out to stand with everyone else in support of stricter gun controls.

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UPDATEDMarch 25, 2018, 7:07 a.m. ET An earlier version of this story included a tweet from the Verified account belonging to A Wrinkle in Timeauthor Madeleine L'Engle. In fact, Ms. L'Engle passed away in 2007 and the Twitter account is curated by her granddaughter. Mashable regrets the error.