Sylvester Stallone and Bruce Willis reportedly challenged each other to an arm wrestle during a recent night out.

The Hollywood tough guys were enjoying a meal with their respective wives, Jennifer and Emma, at Hollywood's Il Piccolino restaurant, when they started arguing about who was in better shape.

Arnold Schwarzenegger is having surgery on his shoulder in the same hospital as Sylvester Stallone.

The 64-year-old actor suffered some damage to his right shoulder while filming his latest movies and by coincidence his fellow action star was at the same medical centre to undergo a similar operation.

'Rocky The Musical' is to open in Germany next year.

The Oscar-winning 1976 boxing movie has been turned into a stage show in a joint production between Sylvester Stallone - who portrayed the underdog pugilist - and World Heavyweight Champion boxing brothers Vladimir and Vitali Klitschko.