kitsch

Pieces of art or other objects that appeal to popular or uncultivated taste, as in being garish or overly sentimental.

Art, decorative objects and other forms of representation of questionable artistic or aesthetic value; a representation that is excessively sentimental, overdone, or vulgar.

Said especially of art and decor that is considered of questionable aesthetic value; excessively sentimental, overdone or vulgar.

excessively garish or sentimental art; usually considered in bad taste