New music hasn't stopped Justin Bieber fans from worrying about his health.

The pop star sparked fresh concerns for his well-being after he was seen looking "dazed" and shirtless partying with controversial former Disney star Kyle Massey , RadarOnline.com can reveal.

Bieber, 31, took to Instagram to share photos from Gunna 's album release party at club Zouk in West Hollywood on Wednesday, August 13. Article continues below advertisement

Bieber Shares Shirtless Photos From the Club Source: @LILBIEBER/INSTAGRAM

Bieber captioned the post, 'I'll never forget forever @kylemassey.'

The first image in Bieber's post , which he captioned "I’ll never forget forever @kylemassey," featured the Baby singer holding a glass bottle as Massey, 33, rested an arm on his shoulder.

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