Justin Bieber Putin On Best Urban Cowboy

5/13/2014 6:41 AM PDT BY TMZ STAFF
Justin Bieber Shirtless
Justin Bieber had his young guns blazing ... losing his shirt for a horseback ride/homage to Russia's most famous topless equestrian.

Bieber traded his skateboard for a proper steed at a ranch just outside L.A. yesterday.

While Justin's cowboy hat was more Sinatra than Rogers -- his shirtless pose was totally reminiscent of Vladimir Putin's pose.

0513-putin-shirtless-gettyDon't worry ... we've got plenty of video of JB's ride with his posse (yeah, Lil Za rode too) for your viewing pleasure.

And just for giggles, we'll ask it ...