Celebrities on Set Pictures Week of April 27, 2012

Some of our favorite men of Hollywood were working hard all week long. In LA, Justin Bieber spent time on set shooting a new music video, while Stephen Moyer worked on new episodes of True Blood. Over on the East Coast, David Duchovny filmed scenes for Californication in NYC, and Dwayne Johnson and Mark Wahlberg continued getting crazy down in Miami on the set of Pain and Gain. Click through to check out the rest of the Hollywood A-listers that spent time on set this week!