Add Yahoo as a preferred source to see more of our stories on Google. Think coloring is for kindergarteners? Think again! Well, it totally is, but it's also for grown-ups in need of stress relief.

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Grammy-Award winning EDM artist Marshmello once sang ...

Adult coloring books have been consistently popular since 2013 when Johanna Basford’s elegant, calming Secret Garden started the trend. Since Secret Garden was released, there have been a plethora of ...