Pop icon Britney Spears is continuing to catch her fans off guard with her increasingly erratic social media posts.

Spears’ most recent video shows her energetically dancing and twirling with a chaotic – almost manic – energy.

In the clip, Spears, 43, performs kicks, spins, slaps and sassy, sexy hand movements for the camera, sporting a low-cut pink summer dress and dancing along to Madonna’s 1986 hit “La Isla Bonita.”

Spears captioned the post with a triangular ruler emoji and two red roses. Although Spears turned off commenting on the post directly, many fans were quick to find a platform to share their thoughts. While some people embraced her wild and spirited display, many others dropped judgmental remarks about the unstructured nature of her performance.

Spears’ Instagram posts have lately garnered concern from some of her fans that the singer is mentally unstable. As her social media presence has steadily grown more random and nonsensical,...