20120126 - BRUSSELS, BELGIUM: Crown Prince Philippe of Belgium, Denmark Prince Frederik, Denmark Princess Mary and Princess Mathilde of Belgium pictured as Belgian royal couple Prince Philippe and Princess Mathilde attend a jazz concert with Danish royal couple, Prince Frederik and Princess Mary, at the Flagey building in Brussels, Thursday 26 January 2012. Denmark is now holding the Eropean presidency for six months. BELGA PHOTO POOL FREDERIC SIERAKOWSKI