Hayley Kiyoko is celebrating another trip around the sun … and she’s looking hotter than the sun in these hot shots!!!

The “Girls Like Girls” singer is big on showing off her boobs and butt in a wide range of bikinis … and she’s got the pics to prove it … snapping away in all sorts of tropical places.

Hey, if ya got it … flaunt it!!!

Hayley’s a total babe, but unfortunately for you she’s taken … she’s been dating ‘Bachelor’ alum Becca Tilley for going on 7 years now … and they recently hinted at a possible engagement.