"Could it be witchcraft? Former Buffy star Charisma Carpenter showed off her amazingly fit bikini body in a photo she posted to her Twitter on Sunday, Aug. 11 -- and the actress had good reason to flaunt. PHOTOS: 90s TV stars then and now Carpenter, now 43, hashtagged the cell phone-taken "selfie" with the phrases "work hard," "earn it," and own it," bragging about her effective workout regime. In the racy photos, the actress wears a teeny tiny zebra-print bikini that barely covers her chest. Earlier this month, the fit actress -- who also starred on Buffy spinoff Angel -- opened up to SheKnows.com about her fitness routine, calling circuit training her favorite workout, and sharing her dieting tips. PHOTOS: 90s actresses: Hotter then or now? "Eat as much protein as possible to ward off cravings," she told the site, though she copped to occasionally indulging in "chocolate and salt and pepper potato chips." This isn't the first time Carpenter has shared snapshots of her beach-ready bikini body, however. In June, the actress snapped a shot of herself lifting her shirt to reveal washboard abs. PHOTOS: Hollywood's hottest bikini bodies "#werk #bikini ready," she captioned the photo. This article originally appeared on Usmagazine.com: Former Buffy Star Charisma Carpenter, 43, Shows Off Bikini Body in Zebra Print Swimsuit"