Their cosy meeting at Geri's house also marked the first time the five-piece had been pictured together since 2012.
A statement released by the group said: "We have enjoyed a wonderful afternoon catching up and reminiscing about the unbelievable times we have spent together. So many kisses! X Exciting x".
Speaking of their future, the girls stated, "The time now feels right to explore some incredible new opportunities together".
Yes, stop right now: The Spice Girls will be back.
The statement (shared with Entertainment Weekly) claims that the women "enjoyed a wonderful afternoon catching up and reminiscing about the fantastic times", which was visible in the Instagram photos. Although as a human being who paid actual currency for the Spice Girls first album, I'm clearly both a massive hypocrite and a bad person.
Bollywood actors are posing with pads to challenge taboos about menstruation
The celebrity who accepts the challenge has to post a picture and then again challenge someone. With Padman close to release, Bollywood is taking part in the Padman challenge.
Spice Girls, who were joined by manager Simon Fuller at the meeting yesterday, shot to fame in 1996 with catchy song Wannabe.
After years of false starts and fans wondering if the comeback they so desperately desired would ever happen, the Spice Girls have finally confirmed what millions have been dreaming about: a reunion. Meanwhile Brown praised the group for helping her become "who I am".
The five chart-toppers "are always overwhelmed at how much interest there is across the whole world for the Spice Girls". In a statement, the group said new ventures will embrace the original essence of the Spice Girls and reinforce messages of female empowerment.
The Sun newspaper says projects could include a TV talent show, though it said Saturday a live tour isn't planned.
The group previously reformed in 2007 for a reunion tour, and again in 2012 to perform at the closing ceremony of the London 2012 Olympics.