Oh dear! Check out Blac Chyna's outfit to Amber Rose birthday party

Amber Rose celebrated her 31st birthday last night and threw a costume party at a mansion in LA which was attended by a lot of her friends including Chris Brown, Karrueche Tran, and Blac Chyna. And that's the costume Blac Chyna, who recently split from rapper, Tyga, chose. A sheer nun's outfit. Choi! See more photos from the fancy dress party after the cut...Amber dressed up as 'Zombie Peg Bundy', the leopard print-loving matriarch played by Katey Sagal in US sitcom Married...With Children.