‘Hot girl’ Billie Eilish reveals chest tattoo in rare bikini photo

Billie Eilish’s fans are happier than ever after seeing this sexy snap.

The “Bad Guy” songstress popped up in an Instagram post shared by pal Annabel Zimmer (daughter of famed composer Hans Zimmer) Saturday, soaking up the sun in a boldly printed Miaou bikini top and Versace shades.