Still hard at twerk? Miley Cyrus and Justin Bieber's new collaboration 'Twerk' leaks online

Blurred Lines? Miley Cyrus twerks during her performance with Robin Thicke at the VMAs. (Rex Features)

Just three days after her raunchy bum wiggling caused outrage at Sunday's MTV Video Music Awards, Miley Cyrus has teamed up with Justin Bieber to sing about twerking.

A joint single from for former Hannah Montana star, 20, and the 19-year-old Canadian YouTube sensation, entitled "Twerk", emerged online yesterday despite.

Despite the negative backlash prompted by Cyrus's VMA performance, she has continued promoting the provocative dance move.

She sings on the club anthem: “I came up in this party time to twerk (twerk it, twerk it).” Other lyrics include: “Girl I can’t believe what you do to me”.

Rapper Lil Twist, who also features on the track, first announced the group were working on "Twerk" in July by posting a picture of the single’s cover art on Twitter.

The single was leaked online yesterday by an unknown source, however, its release comes just in time to capitalise on the furore following Cyrus’ most recent twerking escapade.

Yesterday the word 'twerk' become officially recognised by the Oxford Dictionary.