Randy Jackson has fans talking after his recent return to “American Idol” sparked concern online. The former judge appeared on the Fox competition series earlier this month alongside fellow original Idol star Paula Abdul to mentor Season 24 semi-finalists, but some viewers quickly shifted their attention from the contestants to Jackson’s noticeably slimmer appearance.

Randy Jackson Sparks Concern During ‘American Idol’ Return

Jackson returned to “American Idol” as a guest mentor, reuniting with Abdul in a nostalgic moment for longtime fans of the singing competition. However, viewers took to social media shortly after the episode aired, with some expressing concern over Jackson’s appearance after noticing he looked significantly thinner.

The music producer appeared seated in a chair while greeting contestants, with some fans pointing to his slimmer frame, gaunt facial features, and raspy voice. Several social media users questioned whether the former judge was feeling well, with some describing him as looking “weak and frail.”

Others wondered whether the star’s dramatic weight loss had impacted his overall health. “He lost a bit too much weight,” one user claimed as another chimed in with, “For phex’s sake, Randy, you were ok the way you were. You look awful Bro. I hope you can save yourself.”

Jackson Previously Lost More Than 100 Pounds

Jackson has been open for years about his health journey after receiving a Type 2 diabetes diagnosis in 2003. At the height of his fame on “American Idol,” Jackson revealed in his 2008 memoir, “Body with Soul,” that his weight climbed to 350 pounds before he decided to make a major lifestyle change.

Following his diagnosis, Jackson underwent gastric bypass surgery, a decision he has previously described as a “jump starter” rather than a long-term solution. “It’s a great jump starter. You lose a bunch of weight really fast, but maintaining is another thing,” Jackson told PEOPLE in 2022. “You get there and your mind tells you, ‘OK, phew. I’m here now. I can start to party and bring out the cheesecake.’”

Randy Jackson Says Keeping The Weight Off Took A Mindset Shift

Jackson previously revealed that he ultimately lost 114 pounds and has focused on maintaining his health through lifestyle changes rather than extreme dieting. At the time, he said he prioritized eating healthy, avoiding crash diets, and paying closer attention to gut health.

“I hate the word diet. I don’t use that anymore,” Jackson explained. “Anybody that’s lost weight, you lose it and then you start eating and drinking more and it all starts coming back.”

The former “American Idol” judge admitted he eventually realized he had to completely rethink his relationship with food. “You have to change the way you think about food,” he said. “You have to almost have a complete divorce break up … and start back bit by bit and find out the things that work with your body.”

Jackson Made Rare ‘American Idol’ Return

Jackson’s recent appearance marked a rare return to “American Idol,” bringing longtime fans a nostalgic reunion with one of the show’s original judges. The music veteran returned to the competition to mentor Season 24 contestants Hannah Harper, Jordan McCullough, Keyla Richardson, Braden Rumfelt, and Chris Tungseth during the episode’s “Class of 2006” theme night.

Offering advice to contestant Chris Tungseth, Jackson reflected on his time behind the judges’ table while encouraging the aspiring singer to stay focused on the competition. “As a guy that was a judge on this program a long time ago,” Randy told Chris, “I always ask the question, ‘Are you in it to win?’”

For Tungseth, the moment proved surreal. “I grew up watching ‘American Idol,’ so I’m a little starstruck,” the Minnesota native told Jackson. “I love you.”

Paula Abdul And ‘American Idol’ Favorites Joined Randy Jackson’s Return

Jackson was not the only familiar face making a comeback that evening. Fellow original judge Paula Abdul also returned, joined by former contestants Kellie Pickler, Elliott Yamin, Paris Bennett, Bucky Covington, and Season 5 winner Taylor Hicks for the nostalgic celebration.

Jackson’s nostalgic return came just days before “American Idol” officially crowned its newest champion. After weeks of competition and a nationwide fan vote, host Ryan Seacrest revealed Harper as the winner of “American Idol” 2026, officially earning the title after edging out her fellow finalists.