Vince Vaughn, is that you?!

The 46-year-old actor looked unrecognizable when he recently stepped out with a bald head in NYC.

vince vaughn getty images

Vince in November 2013 (left) and September 2016 (right).

The strangest part? Just days earlier, Vince was seen with his normal, full head of brown hair while arriving at the Venice Film Festival on Monday, Sept. 5!

MUST SEE: Awkward! Exes Jennifer Aniston and Vince Vaughn Run Into Each Other After Her Secret Wedding — Get the Details!

According to [Entertainment Tonight](http://www.etonline.com/news/197605vincevaughniscompletelybaldjustdaysafterhittingredcarpetwithfullheadofhair/), the father-of-two went bald for his upcoming role in the action film, Brawl in Cell Block 99.

Click through the gallery below to see more stars who’ve transformed themselves for roles!