Here's how I've learned to add lights to my overall tutus.
Tutu Lights and all the Tulls I Love: www.amazon.com/shop/reeciediy

How to Make an Overall Tutu:    • How to Make an Overalls Tutu Dress  

My Sewing Machine: Singer Confidence 7640
Use Discount Code: REECIEDIY to recieve 15% off of YOUR machine at https://www.singer.com/machines

The Ultimate Crochet Tutu Top (Sewn):    • How to make The Ultimate Crochet Tutu...  

The Ultimate Crochet Tutu Top (No-Sew):    • How to Make a No-Sew Unicorn Costume ...  

Elastic Puller and other supplies: https://www.amazon.com/shop/reeciediy
   • Elastic Threading Tools - How to make...  

Ribbon Trim Tutus:
   • How to make a Ribbon Trim Tutu