The 53-year-old host told listeners of his Sirius Radio show that he had asked the model to marry him.
Stern recalled last night's proposal on today's show, explaining he asked the 34-year-old model if she wanted her Valentine's Day gift early and she said yes.
He told listeners he ordered her to strip down, and, once naked, he presented her with a 5.2 carat diamond ring saying, "I love you. You're everything to me. This is so gay... I'm asking you to spend the rest of your life with me."
Stern insists the engagement is not a joke. Last month, he announced on air that the couple had tied the knot, but later revealed it was a prank.
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