Las Meninas

Velazquez may not be one of my favorite painters (just a personal preference thing), but his skill!  And the good things that have come out of his painting, Las Meninas (the maids of honor).

Las Meninas, 1656

parallels with Jan Van Eyck's Arnolfini Portrait (1434); reflections in the mirror.

Pablo Picasso created a series of paintings based on Las Meninas in 1957

John Singer Sargent - The Daughters of Edward Darley Boit (1882) - one of my favorites, and quite striking in person :)

advertisement for El Corte Ingles, 2009 (?)  I really like this one!