09/01/2009 at 12:00 AM EDT
The Real Housewives of Atlanta
star Kim Zolciak
is the latest celebrity to pose for the NOH8 Campaign
, a photo project and silent protest against California's Proposition 8, which passed on Election Day, amending the state's constitution to ban same-sex marriage.
The "Tardy for the Party" singer, whose single was released Tuesday, tweeted
, "the noh8 campaign shoot was hot. and I am topless!!! Just to cause a stir to make pay attention!"Pete
and Ashlee Simpson-Wentz
, Lisa Ling
, Meghan McCain
, Isaiah Washington
are just a few of the other celebrities who have posed for the campaign.