This week's Vintage Pop Stardom episode of Greatest Pop Stars looks at Madonna's 'Bedtime Stories'-era pivot to a more adult pop (and film) stardom, and why it resonates 30 years later.

Madonna isn't one to shy away from extravagance, thanks to her estimated net worth of $850 million. The 66-year-old singer has spent some of that fortune on some blinding accessories for her teeth and ...