The said lyrics were recorded for his 2009 album Relapse was leaked last year
Fans had also spotted the ring on her finger when she performed on The Tonight Show during her Monday performance.
Coldplay frontman was married to Gwyneth Paltrow from 2003 to 2016.
The event has been rescheduled for Jan. 9, 2021.
“I too have been hurt emotionally by Shia, a pathological liar, who conned me into an adulterous relationship claiming to be single,” Sia said via Twitter.
In November Perri was hospitalized with pregnancy complications.