American pop star Britney Spears, who showed a pumped up body in short shorts and top, a prime example of how love changes a person.

The singer lost weight, was pumped up and prettier. And on her page in Instagram, Britney showed the culprit of her transformation.

35-year-old Spears has posted a short video, which dances with his 24-year old boy Sam Asgari.

"I think that today's show will swirl me the same way as once in Vegas. Can not wait to see you! "- commented the artist, referring to her concert in Osaka, Japan.

But Britney's dancing with a young lover seems to have been lifted during a couple's vacation in Vegas.

Recall, the novel by Britney Spears and Sam Asgari became known in mid-December 2016. The couple met while shooting Britney video on the track Slumber Party. In the video, Asghari played a guy who was seduced by Britney.