Celebrities embraced the mermaid silhouette on this year’s Oscar’s red carpet. TV Guide host Lisa Rinna wore a navy satin gown, and fellow soap star Adrienne Frantz wore a gold beautifully beaded stunner. Jennifer Garner looked stunning in an Oscar de la Renta ruched, black strapless gown and Amy Adams offset her green Proenza Schouler gown with a French Art Nouveau gold-mesh purse by...