Conversation so far:
How did Spice Girls contribute to commercialization?
At the height of "Spice mania", the group were involved in a prolific marketing phenomenon.
Did they make a lot of money?
CANNOTANSWER.
What was the celebrity culture like?
The mainstream media embraced the Spice Girls at the peak of their success.
Did they win any awards?
"Best Pop Act" and "Best Group.
What else was interesting about them during this time?
In late 1998, Brown and Adams announced they were both pregnant.
When did they have their children?
She gave birth to daughter Phoenix Chi in February 1999.

Question: What about the other baby?
Self-contained rewrite: What about the other baby, aside from Spice Girls's daughter Phoenix Chi?