MTO SHOCK PICS: Beyonce WITHOUT Makeup And Photoshop . . . She Looks DIFFERENT!! (Why Is Her NECK So Thick????)

Beyonce was spotted leaving the gym - and grabbing a post-workout snack . . . some CUPCAKES.

Folks on social media are already talking about how DIFFERENT Bey looks - especially in her NECK area.

One particularly MEAN person said her neck looks like "an NFL RUNNING BACK."