Celebs at SeaWorld!The stars just can't seem to stay away from marine mammals! From Justin to Halle, see who's been spotted at the San Diego park

Credit: Mike Aguilera/SeaWorld San Diego

Updated: Wednesday Aug 04, 2010 | 06:00 AM EDT By: Kate Hogan

HILARY SWANK

Hilary Swank pets a penguin during a park visit, as the Penguin Encounter celebrated its 25th anniversary. In that time, the facility has hatched and raised more than 500 penguin chicks – that's a lot of little guys and gals!