Millions of Americans have had their lips plumped and wrinkles smoothed with injectable fillers. But many complain facial expressions don't always look natural. Now two new entries in the filler ...

These stars made the choice to have their lip filler dissolved, and their more natural looks are on full display in before and after photos.

Lip fillers are injectable treatments used to add volume, shape, and definition to the lips. Most lip fillers contain hyaluronic acid, which is a substance naturally found in the body. It helps keep ...