Serena Williams deletes Snapchat that says '20 weeks'

UPDATE: Williams has deleted the photo from her account.

The world's best tennis player may have a new title: mother. Serena Williams posted a picture of herself on Snapchat with the caption: 20 weeks. Or maybe she is just messing with us?

Williams announced her engagement with Reddit co-founder Alexis Ohanian at the end of 2016.