'I know they will put on an awesome show and the fantastic fans past and present are going to have a wonderful time!'
The last time all five members reunited for a one-off performance was at the closing ceremony of the 2012 Olympic Games.
Tickets for the new tour will go on sale on Saturday. I can't wait to perform to our forever supporting fans and a whole new spice generation!
"Nothing like a spice girls face time", Mel B captioned the post.
When asked by Express.co.uk, a representative for The Spice Girls declined to comment.
'Reminiscing with the girls about how much fun we had, made me feel like it was the right time to do it all over again!' Mel C said.
The group previously performed as a four-piece for two years after Geri quit the band in 1998. "Hold tight it's gonna be fun xx", said Geri Horner. "Love you all!", said Emma Bunton.
Geri then burst into view wearing a blue sequin dress as she chimed: "Hello ladies!"
Jamal Khashoggi 'strangled as soon as he entered consulate'
Turkish President Recep Tayyip Erdogan has called on Riyadh to disclose the identity of that alleged local collaborator. Saudi hit squadCleaning personnel wait to enter Saudi Arabia's Consulate in Istanbul , Monday, Oct. 15, 2018.
"I still talk to all the other girls".
Back in February, Mel B appeared on the daytime talk show "The Real" and sparked speculation that the group would be performing at Prince Harry and Meghan Markle's wedding. "This carousel was where we (Spice) had or first ever photo shoot".
"I'm not going on tour. Stop it! We are touring!" The tour dates are across Summer 2019.
She also uploaded a video containing a cryptic message, saying: "This is the very carousel [where] The Spice Girls had their first photoshoot in Brighton".
Ahead of the announcement Melanie Brown (Scary Spice) left the door open to Beckham's possible involvement.
The rumors were true: Spice Girls will reunite for a stadium tour this summer.
Formed in 1994, the group racked up album sales in the tens of millions with hits including "Wannabe" and "Say You'll Be There" that topped charts across the globe.
The girls will do it without Victoria Beckham, though, who said to be focusing on her fashion label.