1990 14 Aug. 2 d/2 Modern tribal body-embellishments—tattoos, nose rings, even belly button rings—are also growing in popularity.
1998 5 Sept. (Travel section) 28/7 These days it is us who wear nose-studs and belly-button rings.
2010 T. N. Batson ix. 44 No belly button ring, but a snake tattoo coiled around her hipbone.