Source: http://www.celebutopia.net/forum/mary-kate-olsen-filming-wackness-t40920.html
Source: http://forum.phun.org/showthread.php?t=183289
Source: http://forums.superiorpics.com/ubbthreads/showflat.php/Cat/0/Number/1448093/an/0/page/0#1448093
Source: http://forum.phun.org/showthread.php?t=181703
Source: http://www.gossiprocks.com/forum/latest-photos/48883-mary-kate-olsen-billy-joel-concert-08-04-07-a.html
Source: http://forums.superiorpics.com/ubbthreads/showflat.php/Cat/0/Number/1433885/an/0/page/1#1433885