Let's just assume for a minute that you are exhausted with everything in your closet.  You feel blah about your hair.  And,  you really do not have the time to think about trying to find something that works and get your hair done.  Oh, and you have like maybe $100 to spend head to toe.  So, what do you do?  Here are a few ideas:

half of your hair pinned back with a very teased crown area
dress on sale at Jcrew for $49.99
shoes nine west at 6pm.com for $16!!
and add some statement stud earrings to this. look at forever21.com
voila

For an evening wedding
hair up with a side low side bun
shoes nine west on 6pm.com
only $33
and dress on modcloth.com
for only $59
find some chunky long earrings to go with this and you have your evening wedding or party look!