See how Lopez surprised her husband Marc Anthony on his 40th birthday
Credit: Kevin Mazur/Wireimage
Updated: Thursday Sep 18, 2008 | 06:00 AM EDT
More from PEOPLE
See More News
7 of 9
If the morning's triathlon wore Lopez out, she didn't show it. The singer-actress hit the dancefloor in her Marchesa dress. "I didn't feel horrible," she said. "Just a little tired. I had a little headache, maybe it was the relief of the stress."
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL