The scene from the Season 5 premiere of 'Mad Men' that had everyone talking was Jessica Paré's sexy performance of a French tune. Just what was that song?

The song is called 'Zou Bisou Bisou,' and it was first performed in 1960 by Gillian Hills in a recording produced by the "fifth Beatle," George Martin. Sophie Loren also performed an English version in the '60s, but the new recording by Paré is rightfully getting a lot of attention.

Paré's character, Megan Draper, playfully seduced Jon Hamm's character while a room full of guests looked on. The episode was highly anticipated, given the 1960s-themed show's track record. The first four seasons of 'Mad Men' all resulted in Emmy wins for Outstanding Drama Series.

Lionsgate Television Music has already released Paré's 'Mad Men' performance as a download on iTunes, in addition to issuing a vinyl single. The seven-inch, featuring 'Zou Bisou Bisou' on one side and the 'Man Men' theme song 'A Beautiful Mine' on the other, goes for $6.98 and is available in either red or black vinyl.

Watch Jessica Paré Perform 'Zou Bisou Bisou' on 'Mad Men'

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