Ariana Grande sang a medley of Whitney Houston classics on 'Greatest Hits': Watch
Grande added her own inimitable sparkle when she tackled Houston's classic "How Will I Know," and "Queen of the Night" from the Bodyguard soundtrack.
"Honored to be paying homage to my angel", she tweeted ahead of her performance.
The show -- which featured hits from 1980 through 2005 -- also included performances by Ariana Grande, Celine Dion, Flo Rida, John Legend, Hunter Hayes with Smash Mouth, Nelly, Richard Marx, Men at Work frontman Colin Hay, and Sheryl Crow.
Watch Grande's performance below.
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