Dancing has been around for a long time and is a usual theme in paintings since it has become a part of the culture to many private and public lives. Many homes are covered in decor that respresents dance. Dance is considered a part of an iconic subject as a recreational activity of an idealised history during the Renaissance period.
In the 17th century, artists started to rejoice normal life which translated to their use of weddings, ballet performances, country dances, and even just dancing at home as subjects for their artworks.
Ballet and public dance venues got the attention of the impressionists as they became an attribute of modernised urban living. Laura Knight and Sickert of Britain, as well as Toulouse-Lautrec and Degas of France, are popular for having a ton of respect towards professional dancers and entertainers both in their private and working lives.