Useful hints and tips. Untested by me, so cannot guarantee they work.
A swirl filled mehndi design. The blog describes how to do this design easily. Blog.hennaart.ca.
Amybeth McNulty & Lucas Jade Zumann in "Anne" (2017)
kelly caroline henna
Kristian Kostov at the 62nd Eurovision Song Contest at International Exhibition Centre (IEC) in Kiev, Ukraine, 2017.