Kat Graham's 'Mr. Vain': Download the new single for free

Kat Graham returns to our screens as Bonnie on this week's "Vampire Diaries" after a slightly extended summer vacation, but if you need your KG fix now, we've got good news.

Kat has dropped her first single, "Mr. Vain," from her upcoming album -- and she's even offering a free download via her official YouTube channel!

There's no official date set for Kat's album release, but we'll be sure to keep you posted. In the meantime, drop us a line in the comments section below and let us know what you think of the latest jam!