Rail-thin Ryan Seacrest 's skin-and-bones appearance is worrying friends and fans of the "busiest man in Hollywood ," RadarOnline.com can reveal

In a preview for Celebrity Wheel of Fortune posted recently to the show's Instagram page, the 50-year-old looked more skeletal than ever. Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement

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Commenters immediately took notice – "Is that Ryan? He is not looking well," one posted.

Another added: "Ryan is too thin , and his face looks gaunt." A third said, "I can't watch Ryan anymore until he regains a more healthy weight."

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