Princess of pop Britney Spears has once again frightened fans with a bizarre social media post.

Britney Spears Deletes Videos Of Herself Smoking In Risqué Outfits

The video posted to Instagram sparked new concerns with fans worried about her welfare.

Britney Spears alarms fans with erratic dance video while smoking a  cigarette | Daily Telegraph

Thousands of fans shared their concerns in the comments section of the video, with one saying the entire post was “very sad” to watch over the weekend.

The 42-year-old looked tired while dancing alone in her sparse room of her house, with another fan commenting Britney needed to “stop smoking because she’s burnt out”.

Britney Spears sparks concern as she smokes cigarette indoors and lets  embers fly in bizarre dance with disheveled look | The US Sun

The video has since been removed from the icons Instagram account.