Grimy and dark and electric and stunning, the Museum of Fine Arts’ “Toulouse-Lautrec and the Stars of Paris” presents a wondrous and sly exhibit on artist Henri de Toulouse-Lautrec’s finest work, recreating the feeling of a Parisian era of fame and grit.

Diane Kelly had just finished a few months’ worth of training as a dog groomer in North Carolina when she came across an interesting idea: cat cafés. She knew established cafés were popular in...