Justin Theroux Motors in the Big Apple!

Justin Theroux flashes a smile as he takes his motorcycle for a spin on Monday (August 20) in New York City.

The 41-year-old actor stopped at a light before speeding off on his way.

PHOTOS: Check out the latest pics of Justin Theroux

The day before, Justin was spotted for the first time since proposing to his love Jennifer Aniston! The two got engaged on Justin‘s birthday earlier this month.

Meanwhile, Jen is currently in North Carolina filming her latest flick We’re the Millers – that same day, she was spotted on set with her bra exposed!