Reese Witherspoon hints at 'Big Little Lies' season 2 with cryptic Instagram

Don't lie to us, Reese!

"Big Little Lies" stars Reese Witherspoon, Laura Dern and Nicole Kidman spent the weekend together, and while nothing is officially confirmed, they seemed to hint that season 2 of "Big Little Lies" is in development.

"Spending #SundayFunday with these ladies ... working on some new lies," Reese captioned a photo of the three women. Laura's flashing a smile, Nicole went for two thumbs-up and Reese has that classic smirk of Madeline Martha Mackenzie.

Spending #SundayFunday with these ladies ... working on some new lies 🙈🙉🙊

A post shared by Reese Witherspoon (@reesewitherspoon) on

And just because we can't let it go unnoticed -- how gorgeous do all three ladies look?! Laura, 50, and Nicole, 49, don't look a day over 35. Meanwhile, 41-year-old Reese could still pass for college-aged Elle Woods.

If this was an official HBO planning session, notably absent were two key people: Shailene Woodley and Zoe Kravitz have remained tight-lipped on whether they'd return for another season.

Even so, Reese's cryptic Instagram was enough to get fans revved up: "Omg I'll die," one fan commented, while others simply sent hearts and clapping hands emojis.

RELATED: See photos of Reese Witherspoon and her lookalike daughter

18 PHOTOS
Reese Witherspoon and daughter Ava Phillippe through the years
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Reese Witherspoon and daughter Ava Phillippe through the years
LOS ANGELES, CA - DECEMBER 03: Ava Phillippe, Reese Witherspoon, Deacon Phillippe, Tennessee James Toth and Jim Toth attend the premiere Of Universal Pictures' 'Sing' on December 3, 2016 in Los Angeles, California. (Photo by Todd Williamson/Getty Images)
Ava Elizabeth Phillippe, the daughter of actress Reese Witherspoon, attends the Universal Studio premiere of 'Sing' in Los Angeles, California, on December 3, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
In good company at the #SingMovie premiere last night ❤️🎉 P.S. It's a wonderful family film for the holidays!
Celebrating our sweet Tennessee’s 4th birthday last night! 🎂🎈🎉 My forever favorite #NinjaTurtle 💋🐢 #TMNT #FamilySandwich
Can't believe my baby is 17 today! I love you, @avaphillippe ❤️ Your gorgeous heart and loving spirit never cease to amaze me! I'm so lucky the universe let me be your mother. 😘 #HBD #17DancingQueen
Mother daughter time ❤️❤️❤️❤️❤️❤️❤️❤️
LOS ANGELES, CA - OCTOBER 30: Actress Reese Witherspoon with daughter Ava and son Deacon arrives at the 29th American Cinematheque Award Honoring Reese Witherspoon at the Hyatt Regency Century Plaza on October 30, 2015 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
congrats! #specialnight
LOS ANGELES, CA - OCTOBER 30: Honoree Reese Witherspoon (L) and Ava Phillippe attend with FIJI Water at 29th American Cinematheque Awards honoring Reese Witherspoon on October 30, 2015 in Los Angeles, California. (Photo by Charley Gallay/Getty Images for FIJI Water)
LOS ANGELES, CA - DECEMBER 20: Reese Witherspoon with her children, Deacon Phillippe, Ava Phillippe and Tennessee Toth are seen on December 20, 2013 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - OCTOBER 19: Ava Elizabeth Phillippe and Reese Witherspoon sighting on October 19, 2011 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
©2010 RAMEY PHOTO Beverly Hills, California, December 12, 2010 Reese Witherspoon with boyfriend Jim Toth and her kids Deacon and Ava out on a Sunday morning stroll. PGpg68 (Photo by Philip Ramey/Corbis via Getty Images)
LOS ANGELES, CA - SEPTEMBER 07: Reese Witherspoon takes her daughter Ava Phillipe and son Tennessee Toth to the country market in Brentwood on September 07, 2013 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
©2010 credit NCNA Actress Reese Witherspoon touches her star with daughter Ava and son Deacon during an unveiling ceremony honoring Witherspoon with the 2,425th star on the Hollywood Walk of Fame in Los Angeles on December 1, 2010. XYZ (Photo by Philip Ramey/Corbis via Getty Images)
©2010 RAMEY PHOTO Beverly Hills, California, October 24, 2010 REESE WITHERSPOON out with her kids DEACON and AVA, as they walk in Santa Monica on their way to meet Reese's boyfriend, JIM TOTH for lunch. PGpg68 (Photo by Philip Ramey/Corbis via Getty Images)
REVOLUTIONPIX/©2010 RAMEY PHOTO EXCLUSIVE! NO WEB USE WITHOUT AGREED FEE! Beverly Hills, California, August 27, 2010 Reese Witherspoon shops with her children, Ava and Deacon and their French Bulldog Coco Chanel, on Montana and then order take out food from Maria's Italian Kitchen in Brentwood, where their pet was not allowed. Reese wear a 'Stand Up Against Cancer' hoodie, Charity that she will support on September 10 in Los Angeles. REV/100827002 (Photo by Philip Ramey/Corbis via Getty Images)
WASHINGTON - APRIL 05: Actress Reese Witherspoon (2nd L) and her children Deacon Reese Phillippe (3rd L) and Ava Elizabeth Phillippe (3rd R) attend the annual White House Easter Egg Roll at the South Lawn April 5, 2010 in Washington, DC. The White House Easter Egg Roll is a tradition dating back to 1878 during the presidency of President Rutherford B. Hayes. (Photo by Alex Wong/Getty Images)
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