The Insider.com

Oprah normally evokes seriousness from her audience with the gravity of the issues that she tackles, but the media mogul had the audience in a laughing fit this past weekend as she helped honor Bishop T.D. Jakes for his 35 years at the helm of The Potter's House in Dallas.

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Although it wasn't the climactic surprise that Oprah was planning due to some technical issues, Bishop Jakes was still very grateful for her appearance.

"It was amazing that Oprah would come," he said after the event to The Insider's Kevin Frazier. "She doesn't have to do anything. She chooses to do what she wants to do. I was just awed by it."

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Performing at the event was Chaka Khan, who shared details about her 60-pounds weight loss. The Queen of Funk revealed that fasting and exercise helped her slim down, which made her high blood pressure and diabetes vanish in the process.

Check out the full video above to hear Jordin Sparks, who also performed at the event, talk about reuniting with some of the Sparkle cast members after the late Whitney Houston's funeral.