Shock jock Howard Stern 's reported contract renewal with SiriusXM was supposed to be his big victory lap – but the shine has already worn off for the self-proclaimed King of All Media, RadarOnline.com can reveal.

"All the initial excitement made him feel relevant again. But that buzz is gone," a source told Straight Shuter.

"Now it just feels like work. Howard's been doing this job too long to find joy in it anymore." Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement

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According to insiders, the 71-year-old radio legend is now feeling restless and trapped.

"He's over it," another insider confided. "Howard thought the deal would re

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