Serena Williams has a message for the creep who made 'racist' comments about her baby

Serena Williams, of course, is not to be messed with. Serena as a mom? Doubly so. 
Williams shut down ugly comments Romanian Fed Cup captain Ilie Natase made about the child she's expecting with fiancé Alexis Ohanian with a classy note on Instagram. In it, she denounces his remarks as "racist." 
SEE ALSO: Serena Williams pens a sweet note to her future child✊🏿
A post shared by Serena Williams (@serenawilliams) on Apr 24, 2017 at 12:58pm PDT
“Let’s see w