Celebrities on Set | Week of Dec. 10, 2012

The holidays are fast approaching, but Hollywood stars are still hard at work. Colin Farrell rode around NYC on a horse for Winter's Tale, which he and Russell Crowe have been shooting all week. In Pittsburgh, Channing Tatum flexed his muscles while Mark Ruffalo showed leg in a wrestling leotard on the set of Foxcatcher. Matthew McConaughey suited up in a pilot's uniform to shoot scenes for The Dallas Buyers Club in New Orleans, and in LA, a pregnant Malin Akerman grabbed a sweet snack during a break from Trophy Wife. Click through to see more of this week's stars on set.