Analysis of information sources in references of the Wikipedia article "Yang Guifei" in English language version.
...she was one of the few obese women in Chinese history to have been considered beautiful.
Centuries ago, rather rotund royals Yang Guifei of ancient China exemplified beauty.
...But the Tang Dynasty favored larger body types. One of its most revered beauties, Yang Guifei, had stomach rolls.
The only reference to Yang's stoutness is in the chengyu1 37 "Yang Yuhuan was plump, while Zhao Feiyan (趙飛燕) was skinny" (环肥燕瘦), but it is not known whether this proverb was already in use in Tang times. This chengyu illustrates that she was considered well rounded.
唐玄宗的貴妃楊玉環身材是豐腴的 (The Imperial Consort of Emperor Xuanzhong of Tang, Yang Guifei, has a portly figure.)
唐玄宗的貴妃楊玉環身材是豐腴的 (The Imperial Consort of Emperor Xuanzhong of Tang, Yang Guifei, has a portly figure.)
