Britney Spears has written 1 shows including Once Upon A One More Time (Music).

Kylie Minogue has done it all during her gold-dusted 45-year ... that at one point she almost recorded one of Britney Spears' ...

The fact that her career has spanned so many decades, in spite of what she privately endured, is a testament to that. Below, the most iconic Britney Spears moments of all time.

Britney Spears' “My Only Wish (This Year ... US, which tracks the most-consumed songs in the world—with all streaming and sales information from America extracted—Spears nearly scores ...