Bring on the side eyes at the school gates, the large glasses of Pinot Grigio in beach-front mansions and, of course, a starring role by Meryl Streep.
Witherspoon welcomed her new co-star to the show, saying that she is "beyond thrilled" to have the veteran actress acting alongside her.
"Watch out Monterey, here we come!', posted Reese Witherspoon, alongside a photo of her and Laura Dern as Madeleine and Renata, using the hashtag, '#BLL2". "#BLL2", Witherspoon captioned the snapshot on Instagram.
"Madeline and Renata are back. #BLL" on her post to Twitter.
The show's leading ladies have been sharing pictures as they begin filming for the second season and they seem just as excited as we are.
The stars were not the only ones in the spirit of celebration, US Weekly reports, as three days earlier Zoe Kravitz, who plays Bonnie in the critically-acclaimed series, posted a selfie, writing: "Bonnie's Back". Let's do this #BLL2'.
Even Alexander Skarsgard is set to return to the HBO show, surprising everyone in the most unexpected cameo ever, because, well, his character was killed off in the last season - we're hoping for his onscreen wife Nicole Kidman's sake that his return is limited to flashbacks.
Big Little Lies is expected to return in 2019.