Impeccable

Flawless is a 1999 American crime drama film written and directed by Joel Schumacher and starring Robert De Niro and Philip Seymour Hoffman.
The film is set in an apartment complex, and covers the relationships between its residents. A retired security guard suffers a stroke while trying to help a neighbor. He is left partially paralyzed and with an impaired ability to speak. He hires a neighboring drag queen to give him singing lessons with hope of improving his speech ability.