Of course, fans were worried:

But don't worry, love is not dead in the Lively/Reynolds household. The reason why the actress pulled the move appears to be as a publicity stunt for her upcoming film, "A Simple Favor."

Lively posted this cryptic image on Twitter:

That same message — "What happened to Emily?" — also became Lively's new bio on Instagram. Then, fans noticed the actress is following only women named Emily Nelson.

So this is what seems to be happening: The movie "A Simple Favor" is based on a novel of the same title by Darcey Bell. Lively plays Emily, a woman who mysteriously disappears one day. Her friend, Stephanie (Anna Kendrick), starts digging into what happened and uncovers some shocking secrets.

As a publicity stunt, this is a pretty good one, since Lively's Instagram is well-followed and well-loved. Well-played, madam.