Ashley Greene sweat  gym hat spandex twilight So this is why her body is so amazing!

Ashley Greene worked up a sweat during a session at Tracy Anderson's studio yesterday morning, and the Twilight star manages to make perspiration and no makeup look sexy!

She not only looks good, she's also doing good!

The actress headed to Capitol Hill recently to speak at a congressional hearing regarding the NO MORE study, which aims to reduce dating abuse.

"As a young woman, I am proud to help launch the NO MORE campaign and announce the new m.powerment by Mark. Healthy Relationship College Program. While the results of the NO MORE study are sobering, the silver lining is that the respondents reported they were willing to get involved to stop the abuse. We have the power to end the cycle and this is a fundamental step towards that," she explained at the hearing.

Way to do your part, Miss Greene!