It seems an outfit isn't complete this season if it's not styled with a hat. Autumn 2011 collections are appearing in stores and online right now and there's one common theme that can't be missed...Outfits (left to right) by:EVIL TWIN Long time coming sweater, $129.99; Alterior motive mesh maxi skirt, $79.95, www.eviltwinthelabel.comNOOKIE Arkansas Jumpsuit, www.nookie.com.auLEONARD ST Seventies Pini Top, $158, Bianca flares, $178, www.leonardstreet.com.auASOS Basic Dipped Hem Top, £15.00 www.asos.comFRIEND OF MINE I love lucy dress, $209, www.australianflavour.com.au