Ricky Martin, Cyndi Lauper and Julianne Moore are among the celebrities who have pledged to "go purple" on Thursday (20Oct11) to show their support for bullied gay youths.
Martin will don all purple for a new photo on his Twitter.com page, while Lauper, Moore and stars like Chaz Bono and actresses Mia Farrow and Jamie Pressley have opted to wear purple as part of Spirit Day.
Meanwhile, MTV bosses are turning the network's iconic on-air logo purple for the day. This is only the second time in Mtv's 30-year history that they have changed the logo for a cause.