Guns out! Nick Jonas shows off his arm muscles at the gym

Nick Jonas looked buff while heading to the gym on Friday in Beverly Hills.

The singer was dropping by Heart & Hustle is Jonas, which Ryan Seacrest, Olivia Culpo, and Calvin Harris also go to.

Later the star was seen heading to a screening of his new movie Jumaji, which also stars The Rock and Jack Black. 

Pump some iron: Nick Jonas worked out at Heart & Hustle in Beverly Hills on Friday

Pump some iron: Nick Jonas worked out at Heart & Hustle in Beverly Hills on Friday

Bottoms up: The singer drank a purple protein smoothie post workout

Bottoms up: The singer drank a purple protein smoothie post workout

The Jonas Brothers star looked a bit pale and scruffy on Friday at the gym. He wore a pair of black Under Armour shorts, a black and white striped muscle tank, and worn-in grey tennis shoes.

Post workout, the performer left the gym in a stylish maroon leather jacket, black pants, and suede black boots. His hair was gelled and he hid behind a pair of large aviator sunglasses. 

A gold watch peeked out of the sleeve of this jacket as he carried a fancy black duffel, a phone, his unfinished protein drink, and a Just Water bottle to his car outside in the alley. 

Quick change: The Find You singer headed to a screening of his new movie Jumanji 

Quick change: The Find You

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