The American Idol eighth-season champ, Survivor host Jeff Probst and So You Think You Can Dance host Cat Deeley will announce nominations for the 36th Annual People's Choice Awards on Tuesday morning along with Modern Family actress Sofia Vergara.
Last month, Lambert -- who finished as the runner-up to Allen during Idol's eighth-season finale -- announced the 2009 American Music Awards nominations with Paula Abdul.
Both Allen and Lambert will see their debut albums drop later this month.
Survivor producer Mark Burnett will executive produce the 36th Annual People's Choice Awards, which will air Wednesday, January 6 at 9PM ET/PT on CBS.
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