Serena Williams unrecognizable — see her dramatic weight loss transformation!
Serena Williams isn’t letting herself go post-retirement, but she’s making some do a double-take. The former tennis pro, 43, shared her latest workout selfie with her six pack on full display — and it’s causing quite a stir on social media. “Working out and working on my angles,” Serena captioned the post. It’s clear Serena…