The curvaceous "Bad Intentions" singer wore white-hot lingerie in a sizzling new photo posted the day she turned 23.
She dropped "take 2" a couple of weeks later.
In her most recent post, Heaton revealed that a backside shot from the same series was her most-liked photo of 2017.
If you can't see why over 150,000 fans clicked that heart button, have a closer look:
Though she has yet to release a full-length record, Heaton has completed two headlining tours in North America.
Check out the rising pop star's website for the latest details on her forthcoming debut album, and enjoy her hottest recent Instagram shots below: