By Jennifer Davis
Oct 15, 2015 @ 2:30 pm
caitlynjenner/instagram

Celebrities are taking a stand against bullying for GLAAD's #SpiritDay.

For those unsure what #SpiritDay is, it's a social media movement that aims to support LGBT youth across the nation by asking participants to wear purple. First started in 2010 as a way to remember teenagers who committed suicide due to bullying, it has grown exponentially. Thousands of people have taken to social media platforms to show their support by pledging to go purple; and even celebrities have gotten involved, Tweeting and Instagramming about the cause to their followers.

From Catilyn Jenner, who showed off her purple nail polish, to Ellen DeGeneres and Laverne Cox, see who has joined the movement so far.

RELATED: Kylie Jenner Wears Blue Lipstick for World Bullying Prevention Day

Debra Messing:

#SPIRITDAY Show that YOU are AGAINST BULLYING! Wear some purple today and share your message! RT pic.twitter.com/gSNRDomDjN

Matt Bomer:

Go purple for #SpiritDay! Join me to stand up against bullying and support #LGBTQYouth with @glaad

Ellle DeGeneres:

Be kind to one another #SpiritDay pic.twitter.com/kAhhEO73IK

Caitlyn Jenner:

I'm joining @glaad and taking a stand against bullying for #SpiritDay! Join me at http://glaad.org/spiritday

A photo posted by Caitlyn Jenner (@caitlynjenner) on

Naomi Campbell:

It's #SpiritDay! Take a stand against bullying and show your support for #LGBT youth: http://t.co/pWhcJiaznK

Ellen Page:

Post surf #spiritday ❤️❤️🌈🌈 #lgbtq

A photo posted by @ellenpage on

Lucy Hale:

Go purple for #SpiritDay with me and @glaad to show LGBT youth that we've got their back !! http://t.co/6npFP9p9w4

Kerry Washington:

It's #SpiritDay! Go purple and take a stand against bullying to show your support for #LGBT youth: http://t.co/6v4BTDLGvG

Laverne Cox:

#StandAgainstBullying #SpiritDay #TransIsBeautiful #gopurple

A photo posted by laverne cox (@lavernecox) on

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