Are You There Chelsea (2012)

When Nikki's (Natasha Leggero) fiance Elliot (P.J. Byrne) gets cold feet, Chelsea, Olivia and Dee Dee come together to help her look good for 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, in the form of a dog named "Andy Dick," and she realizes she's got to find the pet a good home as well.