For my daughter's 3rd birthday we decided to do a simple color combo of pink (her fave color) and gold.
Her fave color is pink, so we pretty much made everything PINK! I added the gold in for a more glammed look. We went really simple with the decor items some fresh flowers, tissue paper poms, and of coarse the main event the dessert table!
I like simple decor with clean lines and things I can reuse again and again.
My favorite item is the dessert table with the tissue paper tassel banner in the background that I made.
DIY! This is my best tip, decide early on what you can DIY & what you need to hire out for sake of time or money. For me I like to do a lot of the decor items myself and hire out the desserts. I have a great local baker that whips up the most amazing cake pops!