Gloria Gaynor, Joaquina Kalukango, Reese Witherspoon

GMA Start Strong series with fitness expert Chris Powell; music icon Gloria Gaynor and actress Joaquina Kalukango ("Robin Roberts Presents I Will Survive: The Gloria Gaynor Story"); actress Reese Witherspoon ("You're Cordially Invited"); Deals & Steals with ABC e-commerce editor Tory Johnson.