Yes, anti-vaxxers would have you believe that the coronavirus jab should be avoided, but the pop icon has proven that she, for one, will not be swayed by online propaganda.
She even quoted Borat as she high-fived boyfriend Sam Asghari.
"Ok, the people on the internet said it was really, really bad, that it was like a bullet going through your arm," she says in the clip.
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But, she reassured viewers: "It was nothing. I felt nothing. I’m fine, and I hope I continue to stay fine.”
A smiling Asghari – in his best Borat voice – then raised a hand and said: “High-five,” as a gleeful Britney echoed the impression.
The video has already been viewed more than 1.1 million times, as fans hailed the superstar songstress as a “public health icon”.
“The only vaccine report you need to hear. Go get ya stickin!” tweeted one.
“If Britney Spears trusts the vaccine you should too,” wrote another.
“Britney educating the masses about the COVID-19 is the best thing since Circus,” commented another.
While another wrote happily: “Nature is healing.”
Others were keen to know which of the vaccines the 39-year-old got.
A number of people, inevitably, responded with a pun on one of her songs:
(The song is Womanizer , in case you didn’t know.)