Add Yahoo as a preferred source to see more of our stories on Google. Emily Blunt turned heads in a revealing, lingerie-inspired top that bared her belly button while making an appearance at the ...

The belly button, it turns out, is one of the least-studied parts of the human body. But one of its great mysteries may now have been solved – why most people have an innie, or concave belly button.

Don't call it a comeback. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. I've Never Seen Anything Like Pop Singer Tyla's Tatted On Top Before ...