Arianny Celeste treated her fans to a calendar signing recently at the UFC Gym in Rosemead, California. Fellow UFC girl Brittney Palmer was also on hand, giving lucky fans a double-babe bonus. Check it all out, along with a behind-the-scenes look at Arianny's spooktacularly sexy photo shoot, in the video above.

Also, the Arianny Celeste 2013 Calendar has been selling like hot cakes, so if you haven't purchased yours yet you should go ahead and do that now. Check out her official store for more.