Podcast queen Alex Cooper , of Call Her Daddy fame, is gunning for Howard Stern 's crown – according to insiders who insist she's the future of SiriusXM.

Cooper, 31, is the network's hottest rising star – with execs quietly grooming her to replace grizzled old Stern as their top priority, even if the shock jock signs a new contract, RadarOnline.com can reveal. Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement

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"She's the one Sirius is betting the house on," said a source. "Howard's still Howard, but he's expensive and part-time. Alex is young, hot and all about tomorrow.

"Inside the building, the energy is clear – she's the next face of Si

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