Madonna

From Taylor Swift's '...Ready For It' to Salt-N-Pepa's 'Push It,' these tunes are bound to get you amped.

From Justin and Janet to Bruno and Beyonce, these 10 Super Bowl Halftime Show collabs were the most memorable.

Now THIS is art pop.

Remember the iconic 'Lady Marmalade' collaboration? Taylor and Miley's 'Fifteen' duet?

On #MLK50, the civil rights leader's legacy means more to America than ever before.

Pop stars from different eras, plus the 69-year-old new face of CoverGirl, in today's Pop Bits.

Madonna: pop icon, music legend, master impressionist.

Saying goodbye is the hardest part... sometimes.

Between new releases from Demi Lovato and Miley Cyrus, there's a whole lot of pop to look forward to in September 2017.

While your favorite singers clearly love their craft, what they really want to do...is act.

The letter also includes an apology for doing so, the actions of 'a young man with limited experience with an extremely famous sex symbol.'

Little Mix, Madonna + Halsey also gave a nod to sisterhood.