The singer filled for divorce last week, citing 'irreconcilable differences' and has moved in with sister Jessica while she finds somewhere to live with son Bronx, two.
A source told Us Magazine the 26-year-old spent Wednesday trawling Beverly Hills for a new pad.
'They drove by a few houses in the $3 million to 4 million range,” the insider said. “Ashlee didn't get out of the car and was quiet and subdued. At one point, she was going to get out of the car but when she saw photographers she decided to stay in the car and then went home. The homes were two-storey traditional style homes in a family neighbourhood. One of the houses was just up from the street from Coldwater Park, where she and Pete like to take Bronx to play ... The homes were also very close to Jessica's house, which would be nice for her.'