Sia holds hands Harry Jowsey while leaving the restaurant

is and Harry Jowsey Saturday fans are shocked by Saturday … ’cause them to pick up holding hands in LA – and, now everyone wants to know if they are a couple.

The singer-songwriter and the Reality TV star found leaving the Restaurant ca del solle … all smiles while they were on the parking lot.

Check out the pictures … they look at each other here – and can make a little bigger to flirting. We’ve reached their reps to hear what exactly happened to them.

We shut the story … he Filed for divorce from his second husband, Daniel Bernardback in March after a little more than two years of marriage.

Both shares a daughter – Somersault surprise Bernard – And he asked for the legal and physical custody of the child.