The Portugal international has been a revelation since joining United in January.
Fernandes recently a posted a photo of himself on Instagram sporting a new beard.
The image was re-posted by Red Devils Twitter fan account 'Utd Report', and Dalot had his say in comments section on his teammate's new look.
"Please don't Bruno Fernandes," wrote the Portuguese, alongside four laughing face emojis.
"I think we found the new Narcos actor."