‘Ghostbusters’ star Ernie Hudson, 78, shows off chiseled arms during grueling workout
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Ernie Hudson is showing fans how he stays fit at 78. The “Ghostbusters” star recently joined celebrity trainer Tony Horton for his “Power Up” YouTube series, where the fitness guru led the actor through a grueling core workout. Although Hudson went viral in April for his toned physique, he admitted that he’s trying to keep his stomach …