Washington, April 22 -- Veteran talk show host Oprah Winfrey has all the praise for singer Alicia Keys' new Broadway musical Hell's Kitchen, reported People.

She shared on social media a loving message of support for the musical, which officially opened to rave reviews at the Shubert Theatre in New York City the day before.

"You know it's a great show when you wake up the next morning humming the songs," wrote Oprah, 70, captioning a gallery of photos to Instagram from the opening celebrations including a shot of her posing at the afterparty with pals Michelle Obama and Gayle King, as well as Keys, Keys' mother Terria Joseph and Keys' husband Swizz Beatz.

She went on to tell Keys that she was "so proud and happy for you and what you so...