June 10, 2015 8:04 AM EDT

Betty White is a television legend, so when the 93-year-old comes on your late-night show, you tend to do whatever you can to keep her happy. She also loves hidden-camera pranks. So when she stopped by The Late Late Show, White playfully took advantage of James Corden’s kindness by prank calling with him some unexpected diva demands: lighting changes, dressing room changes, musical numbers, loads of yellow M&Ms.

See how Corden handles the unusual requests — in all likelihood, he’s probably gotten stranger ones from celebrities in his short time on the job — in the clip above.

Write to Nolan Feeney at nolan.feeney@time.com.

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