Miley Cyrus and Liam Hemsworth (Photo : Twitter: @MileyCyrus)

If Liam Hemsworth actually called his fiancé Miley Cyrus immature as numerous reports claim, he may have to eat his own words since he has chosen to dress up like a unicorn.

The "Hunger Games" actor was recently rumored to be threatening Cyrus with a breakup for her "immature" tweeting addiction. Turns out that Hemsworth can act a little childish himself.  He will be dressed as a unicorn for Cyrus' latest music video.

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Cyrus shot the music video at both Beacher's Madhouse in Los Angeles and the Roosevelt Hotel.  About 45 club kids were hired to help bring the video to life. The 19-year-old starlet and her future husband also perform a steamy makeout scene for the video.

According to the New York Post, Cyrus said "That sh*t was crazy...my fiance was dressed as a unicorn. We make out in the video, which is very funny. We're like, 'This feels like a party!' so it's dope."

Cyrus is said to be wearing "short leather shorts" for the music video; she'll also be jumping out of a wedding cake.

The wild video even included some outrageous off-screen action. Cyrus reportedly performed a striptease for the crew in between takes.

The song, "Decisions," is a collaboration between Cyrus and Israeli dubstep producer Borgore, according to Huffington Post.  Cyrus shared the track with her fans back in August. The actress is currently revamping her music career. "I'm thinking hopefully November for a single," Cyrus told Rolling Stone in September. "It's just whenever we feel we've got that [song] we feel really confident in being the first single. I've got songs right now I feel like could potentially be singles, [but] it's been two years that I haven't said anything, and I want that to be the right thing we say."

Cyrus tweeted that the music video will debut in October.

Besides making a comeback in the music scene, Cyrus is also making her way back to the small screen. The actress recently shot a cameo for CBS' "Two and a Half Men."  According to the Examiner, Cyrus will guest star in more episodes to come.  The starlet is also being considered for the lead role in Lifetime's upcoming miniseries "Bonnie and Clyde" - Cyrus is up for the notorious bad girl role.