Justin Theroux Bares Bulging Biceps in Britney Spears T-Shirt

We see you, Justin Theroux!
The 47-year-old Maniac actor repped his love for singer Britney Spears on his chest while going out for a bike ride on Friday (May 31) in New York City.
PHOTOS: Check out the latest pics of Justin Theroux
His sleeveless shirt featured Britney‘s 2001 Britney album cover.
Justin paired his tee with black jeans, tan boots, and black sunglasses, carrying a large envelope in his hand.
Justin will voice Tramp in Lady and the Tramp, out on November 12!
ICYMI, Britney