Cristiano Ronaldo stars in `Facial Fitness PAO` ad campaign

London: Cristiano Ronaldo has starred in the ` Facial Fitness PAO` advertising campaign.

The Real Madrid footballer is seen promoting a device which you put in your mouth while nodding your head for a face and neck workout to strengthen the muscles, in the Japanese advertisement, reported.

The 29-year-old Portuguese star was recently named the world`s fittest man by Men`s Health magazine and has also launched his own brand of designer underwear.