Celebrity Central / Top 25 Celebs
Published: Wednesday August 24, 2011 06:00 AM EDT
More from PEOPLE
See More News
57 of 265
In addition to her pre-party push-ups, Whitney fits in her fitness while vacationing in Miami Beach by taking a calorie-burning ocean dip.
Copyright © 2015 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.