who is the guest judge on americas got talent
Ken Jeong
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Section::::Season synopses.:Season 13 (2018).

America's Got Talent
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Olivia Munn
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Section::::Season synopses.:Season 13 (2018).

America's Got Talent
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Martina McBride
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Section::::Season synopses.:Season 13 (2018).

America's Got Talent
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Chris Hardwick
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Section::::Season synopses.:Season 12 (2017).

America's Got Talent
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