Fitter than ever at 48? It's not a Mission: Impossible for Tom Cruise as he shows off his Top Guns on film set

By SARAH BULL Fitter than ever: Tom Cruise shows off his incredibly muscly arms on the set of Mission: Impossible - Ghost Protocol in Vancouver, CanadaHe might be 48 years old, but Tom Cruise appears to be in the best shape of his life.The actor showed off his incredibly muscular arms in a white tank top on the set of Mission: Impossible - Ghost Protocol in Vancouver, Canada, yesterday.Cruise