Putti and their little winged friends having fun while no one else in the painting is looking. . . .

Spedalingo Altarpiece ( putti detail). 1518.
Spedalingo Altarpiece ( putti detail). 1518. Italian. Rosso Fiorentino, artist (1495-1540). Collection of the Uffizi Gallery. In the public domain in the United States because the artist has been dead over 70 years. via pinterest. Click through here to see the entire work: https://commons.wikimedia.org/wiki/File:Rosso_Fiorentino_-_Angelo_musicante_-_Google_Art_Project.jpg.
"Sacred Love and Profane Love" (Cupid detail).  1514-15.
“Sacred Love and Profane Love” (Cupid detail). 1514-15. Italian. Titan, artist (1488-1576). Collection of the Gallery Borghese, Rome. In the public domain in the United States because the artist has been dead over 70 years. via https://www.consueloblog.com/astrologia-venus-e-o-banquete-de-platao-a-luz-de-ticiano/ which also has an image of the entire painting.
"Sistine Madonna" (angel detail). 1512.
“Sistine Madonna” (angel detail). 1512. Italian. Raphael, artist (1483-1520). Collection of the Gemäldegalerie Alte Meister, Dresden. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Sanzio,_Raffaello_-_Putti_(Madonna_Sistina)_-_1512-1513.jpg.