Ass Masterpiece Review: Ass Masterpiece brings you to roundest asses with a new ass added weekly. The trailers are short and to the point. Attention here is given to the big jiggly bubble butts. Since this site only started in February of 2006, there's only 20+ girls in there right now, but what matters is that one new ass is added every week. Ass Masterpiece is brought to you by Naughty America. When you join Ass Masterpiece, you get access to: Housewife 1on1, Diary of a MILF, Asian 1 on 1 and Neighbor Affair.