Did Leonardo da Vinci paint two Mona Lisas? Where are they?

While overall similar, there are differences in the shape of the face, the background and other details.

La Joconde nue:

Source: Louvre, Paris, France.

What do women talk about mostly(among themselves)?

Source: Chantilly, Musée Condé, France.

There is only one Mona Lisa, at the Louvre, fully credited to Leonardo. However, there are several Mona Lisa look-alikes from his studio, some of them quite saucy. The one most similar to the Louvre one is the Prado Mona Lisa, a copy made simultaneously in Leonardo's workshop while he painted the Mona Lisa, probably made by an apprentice(s):

Then there are the ‘meza nuda’ paintings from his workshop, often referred to as Monna Vannas.

— we are metamorphosing!

Obviously, the original Mona Lisa also inspired some cheeky versions of her.

Donna Nuda:

Source: St Petersburg. Hermitage, Russia.

What are three skills that you would like to have, and why?

For the one below, art experts suggest that it contains touches indicating that Leonardo contributed to it.

Another version of the above exists, attributed to Salaj:

Evidently there was a market for erotic paintings. The American art historian David Brown, curator of Italian Renaissance paintings at the National Gallery of Art in Washington, has suggested that da Vinci painted a saucy parody of the Mona Lisa for his patron Giuliano de Medici, and that the Salai version is a copy.

What would happen if the US government told the British government in no uncertain terms all RAF bases with USAF personnel now must follow the Constitution and us law, and if the UK tried to defy this, the US military would directly attack the UK?