Alexandre Cabanel 
(1823 - 1889)
 

Alexandre Cabanel was a French painter. He painted historical, classical and religious subjects in the academic style. He was also well known as a portrait painter. He was Napoleon III's preferred painter and, with Gérôme and Meissonier, was one of "the three most successful artists of the Second Empire."

https://en.wikipedia.org/wiki/Alexandre_Cabanel

Cleopatra
1887
Oil on canvas
162 x 287.6 cm
KMSKA, Antwerpen
https://kmska.be/en/masterpiece/cleopatra