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These fans went *way* too far.

Find out who we likely won't be seeing on screen together ever again.

From Halsey to Demi Lovato, see all the best Halloween costumes so far.

From Kanye West to the Jonas Brothers, these music concerts had their plug pulled.

From Kylie Jenner to James Charles, these stars know a thing or two about follows (and unfollows) on social media.

Remember when Kanye West called Taylor Swift out for lying?

Celebrities, they're just like us: publicly rejected!

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

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

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

From Demi to Taylor, the stars have come out with huge sets to see in January 1.

It's like 'Dodgeball' meets 'Witness.'