What happened to Jennifer Love Hewitt's silhouette?

Memo to "Ghost Whisperer"star Jennifer Love Hewitt:

You should always opt for a dress with a flattering fitted waistline (at left), like the one you wore to the "Evening of Hope" on April 26,  rather than one with a more (how to put this politely...) potato sack silhouette, like the one worn to TV Guide's TV Sexiest Stars party on May 1.

Dresses like that baggy silver short number are a leading cause of persistent baby bump rumors.

Or worse.

Photos: WireImage