Josh Brolin & Sean Penn: 'Gangster Squad' Premiere!

Josh Brolin suits up while attending the premiere of his new film Gangster Squad held at Grauman’s Chinese Theatre on Monday (January 7) in Hollywood.

The 44-year-old actor was joined on the red carpet by his co-star Sean Penn.

PHOTOS: Check out the latest pics of Josh Brolin

Russell Brand, Nick Nolte, and Danny Masterson also attended the premiere.

In case you missed it, have a look at Sean showing off his buff shirtless body while vacationing in Hawaii.

FYI: Josh is wearing a Ermenegildo Zegna suit.

25+ pictures inside of Josh Brolin and Sean Penn attending a premiere…