My hair has so much natural wave (not enough for curl, just enough to be annoying) that if I let it air dry, or worse -- go to bed with wet hair...
In the morning,
it will have out-of-control kinks, but a ton of body.
Those are the days to bust out the hot rollers and take advantage of that natural wave. You will LOVE the body.
We did this hairstyle on Bella's when it was straight. If you start with natural wave or frizz, hot rollers will smooth the frizz and leave you hair curlier than Bella's is in the photo.