King Charles III's coronation is in May and might include the Spice Girls.
If the female group perform, it will be their first show together since the 2012 Olympics.
The bandmates seem to be seriously considering taking part in the historical event.
They broke up in 2000 and reunited in 2007 before Victoria Beckham left in 2012.
One of the stars, Mel C, said Beckham's return would be the "ultimate dream."
The coronation ceremony will take place at Westminster Abbey, London.
It will be minimal compared to the late Queen's coronation, given the country's finances.
Prince Harry will be excluded from his father's coronation without an official role.
He accused his brother of physical assault in the excerpt from his memoir "Spare."