Which of the starlets pictured above said: "I work with a trainer," she said. "We work on the arms. I don't want manly, muscular arms. We work out my butt because I love my butt. [But] my legs are my main focus. I'm obsessed."
To find out who said it, read more
The answer is Rihanna! To read the full scoop on what Rihanna has been doing to tone-up lately, check out People.com.