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No one can stop talking about her 80 lb weight loss, but Jennifer Hudson says at least one important man in her life isn't thrilled.

On Friday night's show, Jay Leno asked the Academy Award winner, who slimmed down on Weight Watchers, how her fiance David Otunga feels about her new body.

"He's getting adjusted to it," Hudson, 29, said. "He's not really into change that much."

And the singer, who has a 19-month old son David Jr. with Otunga, admits her man preferred her casual clothes to her newly adopted haute couture.

"He fusses at me like, 'Why do you have to have to get all dressed up to go out and why can't you just go out like you used to?'" said Hudson. "And I'm like, 'I'm a walking billboard now honey!'"