I think the key to putting a great party together is to fully commit to whatever theme/color scheme/mood that you're going for! Have a clear idea of what that is and just go for it!
Party favors can add up quickly and with 12 girls I knew I had to get creative! The biggest pieces were going to be wings and the crown and since my daughter's birthday is in November, I hit up the dollar store in early October when I knew they would have fairy wings for Halloween!
The crowns are also from the dollar store. They came in a pack but said "Happy Birthday" on them. I wanted more of a "crown" feel, so I spray painted them silver and then sprinkled silver glitter on while the paint was still wet.
This party was so much fun to plan and I think the girls had a great time!