Who directed 'The 40-Year-Old Virgin' (2005)?

In what year was 'Anchorman: The Legend of Ron Burgundy' released? Who directed 'Step Brothers' (2008)? Who directed 'The Big Short' (2015)? Who directed 'Superbad' (2007)? Who directed 'Knocked Up' (2007)? Who directed 'Bridesmaids' (2011)? Who directed 'Mean Girls' (2004)? In what year was 'Mean Girls' released?