LADY GAGA KICKS OFF SERIES ON FRIDAY, MAY 27 THE HOTTEST CHART TOPPING ACTS IN THE COUNTRY PERFORM INCLUDING LADY GAGA, BEYONCE, MARY J. BLIGE, JENNIFER HUDSON, BRAD PAISLEY, MIRANDA LAMBERT, SELENA GOMEZ AND NICKI MINAJ Live Performances Every Friday Morning From the Rumsey Playfield in New York City’s Central Park  “Good Morning America” today announced its sizzling 2011 Summer Concert Series lineup with the hottest chart-topping acts in the country and the biggest names in music, a mix of the best pop, country and nostalgia acts around. There is something for everyone—fro