Stars who strip for a cause

Wig-loving "Real Housewives of Atlanta" star, Kim Zolciak, shows her (nearly) naked support for marriage equality in this ad for the NOH8 campaign against the ban on same-sex marriage. The reality TV diva joins along list of celebs who've taken it all off for charity.

Of her decision to appear in such a state of undress, Zolciak tweeted, "The noh8 campaign shoot was hot. and I am topless!!! Just to cause a stir to make people pay attention!"

See which other stars are getting the public's attention...