It has been reported the couple called time on their six-month romance last week, after endless rows following her miscarriage.
So what was she doing back at his place?
The singer has been hard at work filming her new TV show Lily Allen and Friends for BBC3.
She is being comforted by pals including indie band The Kooks, who treated her to a slap-up meal at London's Wolseley restaurant on Wednesday.
