Actress Rashida Jones arrives at the Giorgio Armani / Vanity Fair private dinner on Oct. 11, 2011 in Los Angeles

*GLAAD has corralled a bunch of celebrities, including Shaquille O’Neal and “Parks and Recreation” star Rashida Jones,  to speak out against bullying in its new PSA campaign “Amplify Your Voice.”

Chaz Bono, “Jersey Shore” star Vinny Guadagnino, Jones’ co-star Amy Poehler, Tori Spelling and husband Dean, Mario Lopez, Dustin Lance Black and the cast of the teen drama “Pretty Little Liars” are also among the stars who’ve filmed the public service announcements, which all tout the campaign slogan, “No matter who you are, you have the power to make a difference.”

The campaign stems from a partnership between Gay and Lesbian Alliance Against Defamation and the American Federation of Teachers, according to Reuters.

The PSAs are being launched the week before Oct. 20’s Spirit Day, the annual occasion when Americans are asked to wear purple to show support for lesbian/gay/bisexual/transgender youth.