Justin Bieber's shirtless arm-wrestling bout with a pal

Justin Bieber recently showed off his toned body while taking his friend on in a topless arm wrestle.

Giving a glimpse of how he spends his evenings on tour, 23-year-old singer, who next performs in Monza, Italy, took to his Instagram account and shared a video of his muscle power show.

The ?sorry? hit-maker showed off his collection of tattoos as he pushed his friend's hand down onto the table, leaving his friend red-faced and flustered.

Meanwhile, the pop star recently unveiled a brand new tattoo the reads 'Better at 70' tattoo on Instagram, after touching down in Switzerland.

He captioned the image with the words, ?I look back at a lot of things in my life, mistakes, insecurities, and although I have felt I've wasted a lot of time it also makes me want to be better faster! For me personally I want to work everyday to be BETTER AT 70.?

(This article has not been edited by DNA's editorial team and is auto-generated from an agency feed.)

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