How to make a ribbon trim tutu (Minnie Mouse)

I had a few requests for this. - Here is a listing to purchase-\r
\r
Measurements-\r
0-6 months- 9yds of tulle- length 12 (6 tutu)- waist 14.5\r
9-12 months- 12 yds of tulle- length 14 (7 tutu)- waist 17\r
18m-2t - 13 yds of tulle- length 16 (8 tutu)- waist 18\r
3t-4t- 14 yds of tulle- length 18(9tutu)- waist 19\r
5-7- 16 yds of tulle- length 20 (10 tutu) waist 20\r
8-10- 18 yds of tulle- length 24 (12 tutu) waist 22\r
\r
waist measurement is for unstretched elastic