One of the biggest pop stars in the world, Britney Spears released this collection of 20 music videos to coincide with the unveiling of her greatest-hits album of the same name. Among the songs on Britney Spears: Greatest Hits -- My Prerogative are "I'm Not a Girl, Not Yet a Woman," "Don't Let Me Be the Last to Know," "Oops!...I Did It Again," and "From the Bottom of My Broken Heart."