Britney Spears has been channeling her inner Baywatch lover, posting a fun bikini video from a past Mexico vacation and even running topless on the beach. The singer, 40, continues to put on a positive front after tragically losing her baby, and her video showed her in good spirits, even including her puppy. Flaunting her fit figure in a green bikini, the Grammy winner wrote: "Trying to be sexy running like Baywatch 😳🤷🏼♀️😂 !!!! Pssss #TB to Mexico 🇲🇽🇲🇽🇲🇽 !!!"
Read on to learn about the activities that help her stay in shape, as well as the photographs that prove they work—and don't forget to check out the 30 Top Celebrity Swimsuit Moments to become beach-ready too.