Ri-Ri was all curves in an orange printed string bikini and baseball cap while catching some sun back in her native Barbados. Over in Miami, Transformers star Rosie Huntington-Whiteley got her flirt on in a strapless blue two-piece with girly ruffles.
Meanwhile, new mama of two Jessica sizzled in a hot-pink halter string bikini down in Cabo San Lucas. Viva Mexico!
Not to be outdone, Cameron rocked a sporty gray and yellow bathing suit along with her newly shaggy bob in Hawaii. And last but not least, Kyra Sedgwick also hit the Hawaiian surf in a purple and black swimsuit that showed off her slammin' figure.
So which stripped-down star is sexiest? Weigh in below, and then check out our smokin' new Hot Bods 2012 gallery!