Courtney Love

The singer also provided empathy for Amber Heard.

"I’m flattered that Courtney Love knows who I am."

"I dig manners."

See her subsequent statement.

Since her full since-deleted message.

"Shame on Lily James whoever the f--- she is."

Celebs are speaking out in support of their favorite pop idol.

From Kanye West to Courtney Love, check out 25 of the craziest onstage celebrity meltdowns over the years.

These stars have been responsible for, or accused of committing, various crimes.

Find out which of your fave celebrities were troublemakers in school.