In both cases, the term implies an appealing shapeliness about the buttocks.
From the en.wikipedia.org
Chaos neatly packaged with all the shapeliness of the Farmer's Almanac.
From the time.com
The dress will add the appearance of shapeliness to women without curves.
From the abcnews.go.com
The shapeliness comes across to listeners as emotionally attuned playing.
From the democratandchronicle.com
Her shapeliness did not suggest that she'd borne three children.
From the nytimes.com
There are two all-improv ballad sections of compelling shapeliness, with the remarkable Ribot a crucial guiding influence in both.
From the guardian.co.uk
Discussing a comedy, we can point to the wit and surprise, the shapeliness of construction, the Swiss-watch timing, the outsize bravura of a performance.
From the time.com
Rancho Santa Cecilia, which also sells the White and Bays varieties, markets the fruits in four price categories, according to size and shapeliness.
From the latimes.com
Leylandii can grow rapidly to 20ft, casting gloom with no relieving merit of beauty or even shapeliness and there are many campaigners against them, albeit scrupulously peaceful.
From the guardian.co.uk
More examples
Curvaceousness: the quality of having a well-rounded body
(shapely) having a well-proportioned and pleasing shape; "a slim waist and shapely legs"