The singer also discusses her support for FKA twigs in a new interview.

Siaopened up again about her relationship withShia LaBeouf,theTransformersactor who wasrecently accused ofassault byFKA twigs.

At the time, Sia referred to LaBeouf as a “pathological liar” in since-deleted tweets.

Sia, Shia LeBeouf, FKA Twigs

Larry Busacca/Getty Images; Rich Fury/Getty Images; David M. Benett/Dave Benett/Getty Images

In a new interview, Sia claims LaBeouf was dating both she and FKA twigs at the same time.

“Both of us thought we were singly dating him.

But that wasn’t the case.

And he was still married.”

LaBeouf married Mia Goth in 2016, the pair filed for divorce two years later.

According to multiplemedia reports, LaBeouf is currently undergoing unspecified in-patient treatment."

Reps for LaBeouf have not responded to EW’s multiple requests for a statement.

“He said he wanted to marry me and live a sober life.