Madonna

Madonna wrote a scathing message to the journalist who wrote the article.

Take a look at what the 41st Annual Grammy Awards looked like back in 1999.

The pop icon posts a throwback clip saying a similar quote to Gaga's viral anecdote from her 'A Star Is Born' press tour.

The pop star recalls the infamous smooch Madonna gave to her and Britney Spears in 2003.

After delivering a controversially-received tribute to Aretha Franklin at the 2018 MTV VMAs, Madonna clarified the moment in an Instagram post.

There were some star-powered moments, but not every bit was worth a Moonman.

Taylor Swift, Lady Gaga, One Direction and more have all released hits that sound a lot like...well, other hits.

They dated *who*?

From Beyoncé to the Beatles.

These pop artists gave honky-tonk a try.

Sin City is pop's new HQ.

In honor of International Women's Day, celebrate collaborations between Beyonce and Gaga, Whitney and Mariah, and more.