The former Spice Girl stopped by "Watch What Happens Live" on Wednesday, where she revealed which group member she's the closest with, talked about her fights with Victoria Beckham and explained the reason Geri Halliwell left the group.
Check out the video above to find out who's her favorite Spice Girl and hear more about her feuds with Posh Spice!
Scary Spice was definitely on a roll! The 39-year-old also dissed Geri when asked if the reason the red-headed beauty decided to leave the group was because of her.
Check out the video above to see what she said about Ginger Spice!
It seems like the brunette beauty was hurt when the 42-year-old ditched out on her birthday, but saying she hears voices in her head might not be the nicest way to describe Halliwell's departure from the group.