Yousuf Karsh, Her Majesty Queen Elizabeth II, then Princess Elizabeth, 1943, at the Boston MFA

Via Pedro Velez, @JonesDistrict -- "Roy Lichtenstein: A Retrospective" opens at the Art Institute of Chicago on May 22. http://www.artic.edu/aic/exhibitions/exhibition/lichtenstein

A sneak peek at Daniel Buren's Monumenta commission, opening tomorrow at the Grand Palais in Paris

"Schiaparelli and Prada: Impossible Conversations" at the Metropolitan Museum, opening May 10

Cooper Union students skipping school, marching to U. Square at 3pm to protest the new grad-school tuition policy

Another view of the giant tent on Randall's Island erected to house Frieze NY, May 4-7, 2012

Putting together the giant tent for Frieze NY, May 4-7, 2012

The original art fair, Germany's Art Cologne officially starts tomorrow. Stay tuned for preview pics. #ArtCologne

This will make you quit smoking: Hirst's "Crematorium"

The Skaters setting up inside Maurizio Cattelan's tiny Family Business Gallery at last night's Vice magazine party

Tamara de Lempica, Nu adosse I, 1925, on sale at Sotheby's New York, May 2, 2012, est $3/5 mil

Kembra Pfahler at Giverny, opens at The Hole, NYC, Mar. 30

Guenther Uecker at Haunch of Venison at @TEFAF

Louise Bourgeois at Gallery Karsten Greve #TEFAF