According to CDAN she is a captive.

https://www.crazydaysandnights.net/2019/05/blind-items-revealed-4_29.html

Blind Items Revealed #4

Look for the permanent A list "singer" to be out and about all the time over the next few weeks to show she is not being held captive. The thing is though, each excursion is heavily regulated and monitored and will end in a second if anything out of the ordinary occurs.

Britney Spears (since this was written, she has been spotted out and about five times in nine days)

Here is MSM covering her. Showing her out and about.

https://www.foxnews.com/entertainment/britney-spears-bikini-online-conspiracy-theorists

https://popculture.com/celebrity/2019/05/31/britney-spears-gets-silly-new-video-following-therapy/