Renee Zellweger is Judy Garland. The actress best known for her “Bridget Jones “movies plays the legendary songstress in the final concert of her life, a series of sold out shows in London. Director Rupert Goold helms the picture based on a script by Tom Edge, best known for “The Crown.” Jessie Buckley, Finn Wittrock and Michael Gambon co-star....