HOLD UP! Miley Cyrus & Pharrell Williams Working Together?! (DETAILS)

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Miley Cyrus tweeted a picture of her and hip-hop producer/N.E.R.D. frontman Pharrell Williams last night.

The two unlikely collaborators are hitting the studio together and working on a smash hit for Ms. Miley. 

Miley Cyrus tweeted: 

Addressing that the collaboration is a little out of the ordinary, Pharrell quickly tweeted back: 

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Miley simply tweeted back at Pharrell: "#4x4."

So, we're guessing that Miley and Pharrell's new track is titled "4x4?" Who knows, but a Miley Cyrus and Pharrell collaboration could be on another level. 

What do you think of Miley and Pharrell's new partnership? 

Let us know in the comment section below!