When I saw this stamp I immediately envisioned an ombre or multi-coloured background, and I think Crinkled Watercolors did the trick.
The stamp I used is from the July 1st release called Dream Big. As per usual the new release stamps are on sale for 15% percent off until July 8th.
Let's now visit my tutorial...
Your watercolor paper will be nice and wet.
I hope I've inspired you to try this technique. Watercolors don't have to be expensive. I bought an inexpensive package of 12 watercolours for $6.