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Jenna Maroney, portrayed by Jane Krakowski, is a central character in the sitcom "30 Rock." She is a self-absorbed and narcissistic actress who is the star of the show-within-a-show, "TGS with Tracy Jordan." Despite her diva-like behavior, Jenna has a vulnerable side and a deep desire for love and acceptance. Krakowski's portrayal of Jenna earned her critical acclaim and multiple Emmy Award nominations.