"Skyscraper" singer Demi Lovato recently admitted that she's crushing on "3 Days To Kill" star Amber Heard, E! Online said in a report. Meanwhile, she said that her singer "Really Don't Care" seeks to inspire it's listeners.

The "Skyscraper" singer told E! News that she "love" Johnny Depp's bisexual girlfriend Amber Heard.

"I love Amber Heard," 21-year-old Demi Lovato said.

The "Really Don't Care" singer also added, "She's so gorgeous, it's ridiculous."

Demi Lovato graced the Logo TV's Trailblazer event earlier this week for the LGBT community.

A proud supporter of the LGBT community, Demi Lovato even shared that one of her grandfathers came out as gay in 1960s, the Belfast Telegraph said.

The "Skyscraper" singer was presenting an award to TV drama "Orange Is The New Black" when she said the interesting fact.

"I've never spoken about this before, but my grandfather was a trailblazer himself," she said in front of the LGBT supporters.

During the time when being gay is dangerous, the "Skyscrapper" singer Demi Lovato's grandfather came out a couple of years before he died.

''It makes so much sense as to why I feel so connected to standing up for what I believe in," she added.

Demi Lovato said that her latest single "Really Don't Care" was initially a break-up song but as her campaign for gay rights heightened, she sees the song as a way to uplift those who are being bullied and also the LGBT community who are being "scrutinized."

She told E! News, "When I originally wrote it, it was a breakup song. But now I have sung it so many times that it kind of no longer has a significance in that sort of way."

Demi Lovato said that as she sings her latest single "Really Don't Care," she always likes to "inspire and empower."

"Skyscraper" singer Demi Lovato said other people could relate to the song by "really not caring what people think.