The former girlbander took to Instagram to reveal that she will be meeting with the fellow Spice Girls ahead of the royal wedding.
Sharing a throwback cover of Rolling Stone magazine, Mel said: "Can't wait to see my girls next week yipppeeee #GirlPower #FriendshipNeverEnds #90s."
It has been rumoured that the 90s icons will perform at the royal wedding for the first time in over five years at the request of Meghan Markle.
The girls previously met up for a mini reunion back in February.
"These amazing women have helped me become who I am,so to all the girls out there remember “friendship never ever ends”!!!! Boom #spicegirls#coloursoftheword #wantwereallyreallywant#mumsworkinghard #blastoff," Mel captioned a picture of the group.