Japan's Self-Defence Force tries to attract young people to enlist with the publication of photo albums and DVDs showing the private lives of its personnel, some in sexy poses.
On the cover of the September issue, Katy looks a lot less hard-faced and shows off her girly side in a pink Prada dress with bows and floral embellishments.
While compiling our recent list of Six Totally Insane Japanese Metal Bands, we stumbled upon, and fell head over heels for, all-girl group Aldious.
Her father Billy Ray Cyrus also starred in the show.
She subsequently signed a recording contract with Hollywood Records, and her debut studio album Meet Miley Cyrus (2007) was certified triple-platinum by the Recording Industry Association of America (RIAA) having shipped over three million units.
And we happily discovered that they are hardly the only pack of ferocious femme fatales making heavy music in the land of the rising sun.