Sew the elastic together in a circle with thread and needle.  Overlap by 1/2".

Row 1: Holding the elastic in one hand and the hook and yarn in the other hand, sc around the elastic band.  I worked 100 sc around the band.  Sl st tog.

Rows 2: In BLO, *ch 3, sc in next st.  Rep from * around. Sl st tog and fasten off.  Weave in ends.

Flower:

Ch 4, sl st tog to form a ring.

Round 1: Ch 3 (Count as beg dc) 2 dc in ring, ch 2.  *3dc in ring, ch 2.  Repeat from * 2 more times.  Sl st to beg ch 3. (4 groups of 3dc)

Round 2: Ch 1, hdc, dc, tr, dc, hdc, sl st all in the next st. (petal) Sl st over 2 sts approximately- you will have to work around the ch 2 sp from previous row (I just made it look even). Repeat petal.  You will have 7 petals total.  Sl st tog.  Fasten off and weave in ends.

Sew flower to headband where the headband started.