Arnold Schwarzenegger didn't let the holiday get in the way of his workout, as he took to Instagram Saturday to chronicle his exercise routine, and wish his followers a happy holiday.The action star, 75, was clad in a red sweater that had alternating patterns of reindeers and Christmas trees, along with reflective glasses that were embedded with his signature line from The Terminator, 'I'll be back.'The ex-California governor - who took part in Veteran's Day festivities last month - was seen working on exercises for his biceps, triceps and shoulders on the crisp, cool day in Southern California. The latest: Arnold Schwarzenegger, 75, didn't let the holiday get in the way of his workout, as he took to Instagram Saturday to chronicle his exercise routine, and wish his followers a happy holiday'You see it doesn't really matter whether its Christmas Eve or not - that's what it is today, but we're still working out,' the Austria-born star said in the clip.