There is plenty of talk on what constitutes an ideal waist to hip ratio.
Ideal to whom? Yourself or someone that looks at you?
The supposed "ideal" is just under 0.7.
Here’s a good article with lots of discussion concerning body shape and attractiveness.
van der Kooy, K., Leenen, R., Seidell, J. C., Deurenberg, P., Droop, A., & Bakker, C. J. (1993). Waist-hip ratio is a poor predictor of changes in visceral fat. The American journal of clinical nutrition, 57(3), 327-333. Link
Singh, D. (1994). Is thin really beautiful and good? Relationship between waist-to-hip ratio (WHR) and female attractiveness. Personality and Individual Differences, 16(1), 123-132. Link
Wing, R. R., Matthews, K. A., Kuller, L. H., Meilahn, E. N., & Plantinga, P. (1991). Waist to hip ratio in middle-aged women. Associations with behavioral and psychosocial factors and with changes in cardiovascular risk factors. Arteriosclerosis, Thrombosis, and Vascular Biology, 11(5), 1250-1257. Link