Demi Lovato

Demi Lovato speaks out about her struggles with her eating disorder, revealing she almost went back to rehab last summer.

When a fan asked Demi Lovato about the status of her relationship with Miley Cyrus, the 'Really Don't Care' singer cautiously responded.

Demi Lovato took to Twitter earlier today (Nov. 12) to deliver her second PSA about mental illness.

When you've toured with Demi Lovato, the Vamps or Austin Mahone, it must be hard to pick a favorite. However, when pressed to choose, Fifth Harmony spilled the details on their favorite tour -- and why!

Demi Lovato recently clarified comments she made about why she doesn't want to collaborate with One Direction.

Demi Lovato accepted an engagement proposal from a man who can barely tie his shoe, much less tie the knot! Watch this special moment when Lovato accepts a ring from a 5-year-old fan.

"He looks really buff and he looks awesome, but he needs to keep that s--- in his pants," Demi laughed.

Oh no, Lovatics! Demi Lovato injured herself while on the Demi World Tour.

Watch Demi Lovato's most inspirational and heartfelt speeches here.

Here are how some celebrities have chosen to express their remembrance of 9/11.