The new, all female cast of the Ghostbusters remake are already BFFs!

During the SNL 40 after party on Sunday, Feb. 15, Kristen Wiig, Melissa McCarthy, Kate McKinnon and Leslie Jones gathered together for an awesome cast photo.

"Ok I'm exhausted but this week was epic! #winning," Leslie captioned the snapshot on her Twitter account.

'ghostbusters' cast
Twitter/@Lesdoggg

Kristen, Melissa, Leslie and Kate on Feb. 16, 2015.

Last month, the movie's director Paul Feig announced via Twitter that the fab foursome had officially signed on to appear in a new version of the hit 1984 movie that originally starred Bill Murray, 64, Dan Aykroyd, 62, Ernie Hudson, 69 and the late Harold Ramis.

Related Story: 'Ghostbusters' Celebrates 30th Anniversary Return With Old-School Trailer!

"In other news, #Ghostbusters will be hitting theaters July 22, 2016. Save the date!" Feig tweeted on Tuesday, Jan. 27 following a photo he posted of the upcoming film's new cast.

original 'ghostbusters' cast
R/R

The original 'Ghostbusters' cast.

On Sunday, Leslie, 48, and Kate, 31 — who are both current cast members on 'Saturday Night Live' — were joined by 'SNL' alumna Kristen, 41, and comedienne Melissa, 44, for the three-and-a-half hour 'SNL 40' special in NYC.

Kristen and Melissa previously worked together in the 2011 movie 'Bridesmaids,' which Feig also directed.