She says Broussard and Magen Fieramusca met at church camp when they were 11 years old.
Broussard and her baby disappeared from their home in Austin on December 12.
Baby Margot was found inside and appeared to be unharmed.
When Broussard was pregnant with her son in 2013, Fieramusca helped her pick out baby shower invites, according to a Facebook post.
Broussard referred to Fieramusca as “her bestie.”RELATED: What will happen to Margot Carey, Heidi Broussard’s newborn daughter?
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