When Nikki's (recurring guest star NATASHA LEGGERO) fiancé, Elliot (guest star P.J. BYRNE – The Game), gets cold feet before their wedding, Chelsea, Olivia and Dee Dee come together to help Nikki look good in front of him. However, when the plan breaks down, Chelsea realizes she might be stuck with Nikki for a bit longer than she anticipated. Meanwhile, Chelsea has also taken in another stray, a dog, and she realizes she's got to find the pet a good home as well. Guest star ESTELLE HARRIS (Seinfeld) appears as Nikki's grandmother.