Cody Simpson reveals his muscle-bound chest mystery blonde

He's the Australian rocker known for his muscle-bound physique.

And Cody Simpson, 20, didn't disappoint fans when he stripped shirtless for a jog around Beverly Hills this Wednesday. 

Joined by a mystery blonde companion, the tattooed singer bared his bronzed torso as he weathered the summer climes during the intense workout. 

He's got flex appeal! Cody Simpson, 20, didn't disappoint fans when he stripped shirtless for a jog around Beverly Hills this Wednesday

He's got flex appeal! Cody Simpson, 20, didn't disappoint fans when he stripped shirtless for a jog around Beverly Hills this Wednesday

Cody looked casual in his workout gear, donning a pair of black jersey shorts, white sneakers and a pair of socks emblazoned with the Bonds logo.

Meanwhile, his pretty pal was clad in a tie-dye crop top, sporty black leggings and jogging shoes. 

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