The campaign was launched Thursday by Cyndi Lauper's True Colors Fund. The Web-based initiative hopes to educate for "the advancement of gay, lesbian, bisexual and transgender equality."
The campaign drew particular interest because the video features Paquin, the 27-year-old star of HBO's "True Blood," declaring she's bisexual.
The Web site, wegiveadamn.org, said Friday that it was "overwhelmed" by the "enormous traffic." Additional servers have been added.
The video also includes appearances by Elton John, Whoopi Goldberg, Jason Mraz, Cynthia Nixon and others.
Caption: In this photo taken on March 7, 2010, Anna Paquin arrives at the Vanity Fair Oscar party on in West Hollywood, Calif. Peter Kramer / AP Photo