From nearly-nude snapshots to bizarre dance videos and emoji-filled rants slamming her family for their role in her controversial legal binding, Spears has always pushed the envelope on Instagram.
However, her odd antics have caused many fans to worry for her health and safety, with some going so far as to suggest she isn't even in control of her own online accounts.
Some followers have pointed the finger at Spears' new hubby, Sam Asghari, who tied the knot with the "Gimme More" singer last June. Dozens of scathing comments have outright accused the personal trainer of bullying the Grammy Award winner and even running her social media to cover up some unknown nefarious scheme.
On Friday, December 30, paparazzi asked Asghari if he was "controlling" his wife. However, the 28-year-old remained cool and casual, quipping: "No, man. I don't even control what we have for dinner."
Others past comments have suggested that Spears and Asghari's relationship has never been real, and that he's somehow been working with her family from the beginning.
"Her and Sam are not together either. Matter of fact Sam is in on it," one user wrote. "All this is to keep the public believing she is well. SHE IS NOT. There is a lot of manipulation and deceit going on with this account."
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Others have taken to the comments section to beg that a welfare check be done on the 41-year-old, with fears that she could be held captive, missing or even dead, arguing that Spears no longer looks like herself on social media.
"Seeing Britney like this makes me so sad for now. If that’s even truly her in her current Instagram," another fan replied. "Her teeth are different now (gap in front teeth), her southern accent is gone now, she looks tired and sounds sad all the time now too. It’s all so weird!"
Fans who held these theories also took to Instagram to call out Asghari for sharing allegedly photoshopped pictures of himself and the "Oops, I Did It Again" singer on Sunday, December 25.
"The first photo is definitely not Britney! The girl is clearly wearing a wig," one person insisted, while another added, "Not even gonna lie that doesn’t even look like Sam when you zoom in! Like look at his chin, that’s not him!!"
Neither Spears nor Asghari have addressed the Christmas photo claims.