India, Sept. 9 -- The Spice Girls may have just given their fans another reason to believe that something is brewing behind the scenes. As the iconic British girl group marks the 30th anniversary of their breakthrough hit Wannabe, the band has shared a mysterious message seemingly calling on fans who can "sing and dance." And the timing has immediately raised questions about what the group could be planning.

The cryptic post appeared on the Spice Girls' official Instagram account and features a newspaper advertisement from The Stage. The ad was placed on the very stairs that appeared in the music video for Wannabe.

What Did The Spice Girls' Cryptic Ad Say?

The advert appears to deliberately recreate the style of the notice that helped ...