The Madonna Britney Kiss Explanation For 9 Year-olds

So, the explanation does not go like this:

Sometimes, when an old pop star with no artistic contribution to make meets a young pop star with no artistic contribution to make, they fall in love with publicity. When they kiss, a publicity stunt is born. They have to take precautions though, some celebrities have cooties.

Here's the real story...

Britney Spears
Madonna