Brit Brit was sans her Neil Lane sparkler when she went on a coffee run in Calabasas, California on Friday.
The mother-of-two also reportedly celebrated New Year's Eve without Jason, 41, and RadarOnline reports that the pair "aren't sleeping in the same bedroom and haven't been for some time."
The former Hollywood agent is currently in New York and is said to be battling with the singer because he wants to have his own kids.
"Britney said Jason wants to be a father, and while he's happily taken on the role of stepdad to both Jayden and Preston, he still wants Britney to have his kids," the insider added.
Do you think Britney and Jason's relationship will last or do you think they're headed for a breakup?…