Ribbon Trimmed Tutu Tutorial - The Ribbon Retreat Blog - Would also work for a petticoat!
This is the tutu skirt tutorial that I have been looking for. It is detailed and is not the knot version on elastic.
Updated How to do Tutu, Toddlers and Infants Size Chart and Ideas- tulle, lace, fabric -flower girls
No Sew Tutu Size Chart - Pin to keep this for reference so I have the size as my daughter grows. The best instructions too! So easy!
AuRa Treasury: DIY Projects - How to Make a No-Sew Tutu Skirt / Dress
How to Make a Tutu. This is another pretty option. I love the idea of using this kind of waist band vs plain elastic.
Inspiration for the tutu in Little Things to Sew book, Tulle Skirt
DIY - pompom tutu @portiawalker This actually made me think of you. What a cute idea for birthday presents this next year!!! :)
Atsuyo et Akiko | Golden Pink Tutu -★-
Layered Ruffles Skirt - girl. Oh my word! ADORABLE! At least, for a little girl. Maybe with a different type of fabric and some other alterations an older girl could pull it off, though.