The characteristic or quality of being gorgeous(noun)
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Use "gorgeousness" in a sentence
"And she knows that her gorgeousness is provisional."
"CrazymummaI keep thinking I must demand photographic evidence of CM's younger days so I can see if her absolute stunning gorgeousness is something she's grown into as the milk-fed flush of a young girl fled, or if she was always this amazing, or if she was, could it be? even more stunning."
"I love this: ... o I can see if her absolute stunning gorgeousness is something she's grown into as the milk-fed flush of a young girl fled ...; it's so well-put."