The third season of the drama, about the show producers of a 'Bachelor' like TV reality show, won't arrive until early 2018.
"Here's to the fans," Zimmer wrote on Twitter late Sunday alongside a photo of her and Appleby toasting.
"Hang in there for #season3 @UnRealLifetime AIRING in the FIRST part of 2018!! #Unrealtv2018"
The second part of the drama could not emulate the success of its first part.
Season 3 is expected to revolve around Everlasting's first female "suitress" named Serena, played by 'Masters of Sex' actress Caitlin FitzGerald.
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