Even Jennifer Aniston is beat after an intense workout! The actress shared a hilarious photo of herself passed out post-boxing after joining Instagram. “Look who it is!!” Aniston’s trainer, Leyon Azubuike, captioned the original post on Tuesday, October 15. “Welcome to @instagram champ!! @jenniferaniston. #Champ #Fitness #Boxing.” https://www.instagram.com/p/B3qEhAPgqmn/ Look who it is!! 😃🙌🏿Welcome to @instagram