Catherine Zeta-Jones couldn't have been prouder to see her husband at the SAG Awards. But she also chose to shine a spotlight on bigger issues at hand.MORE: Catherine Zeta-Jones divides opinion with glamorous hair photosThe Welsh actress took to Instagram on Sunday to share a snapshot of Michael Douglas on the red carpet – and pointed out a special detail to her fans.WATCH: Catherine Zeta-Jones skinny dips in her incredible swimming pool"So proud of my SAG nominated husband," Catherine wrote.