Heidi Montag

From challenges to duels to poorly-timed commercials, we almost can't believe these moments actually happened this year.

'I love trying new things!'

Our favorite, once-inseparable celebrity besties and their unfortunate fallouts.

See how your favorite celebrities have transformed since they first made it big.

Because even famous families fight sometimes.

Check out all the fashion looks on the 2019 MTV Movie & TV Awards red carpet.