Britney Spears disclosed that a Botox injection left her left eyelid drooping in a video posted to her Instagram account.

The incident highlights the potential risks of cosmetic injectables, even when performed by professionals, and serves as a public caution to her millions of followers.

Spears, 44 [1], said the complication occurred because her doctor administered too much of the product into the area around her eye. The resulting ptosis, a medical term for a drooping upper eyelid, has left the singer feeling self-conscious about her appearance.

"It’s really bad, because [the doctor] put so much Botox in this left eye that it drooped down like that," Spears said.

While Botox is widely used for both aesthetic and therapeutic purposes, improper placement or dosage can lead to temporary muscle paralysis in unintended areas. Spears said she felt significant distress over the visual impact of the procedure.

"I’m so embarrassed about the outcome," Spears said.

The singer used the platform to urge other women to exercise extreme caution when seeking similar cosmetic enhancements. She said it is important to be careful before undergoing procedures that alter facial muscles.

"Girls, you have to be careful," Spears said.

Spears is the mother of two sons, Sean, 20 [2], and Jayden, 19 [2]. She has frequently used her social media presence to share personal updates and health experiences with her fan base.

"It’s really bad, because [the doctor] put so much Botox in this left eye that it drooped down like that."

The public disclosure of a cosmetic complication by a high-profile figure like Spears brings attention to the risks of 'botched' procedures. While Botox is generally considered safe, the occurrence of eyelid drooping demonstrates how precision in dosage and placement is critical to avoiding adverse effects.