Forbes revealed its list of "Top Billionaire Art Collectors" on Friday. Even with the world's wealthist folks losing 23% on average of their net worth last year, these collections made the cut with values ranging from $700 million to $2 billion for an array of fine art.

View the slide show of each collectors' art interests from Microsoft chairman Paul Allen's French Impressionists to the estimated $2 billion collection of modern masters amassed by Philip Niarchos, son of the late shipping magnate Stavros Niarchos, who tops the ranks.

The list is limited to private collections. Excluded are art dealers such as Larry Gagosian and corporate collections including Bill Gates' Microsoft.