Some celebrities glide gracefully through the dog days of August looking like they don't know the meaning of the term "heat exhaustion." Here's a look at some stars who are still looking fabulous while mere mortals droop. At left, Michelle Pfeiffer poses during a ceremony honoring her with a star on the Hollywood Walk of Fame on Aug. 6, 2007, in Los Angeles.
Too-cool Jeff Bridges is a guest at the Hollywood Walk of Fame star ceremony for Michelle Pfeiffer on Aug. 6, 2007, in Los Angeles. The two memorably appeared together in "The Fabulous Baker Boys."
Gwyneth Paltrow attends a screening of "The Good Night" on Aug. 18, 2007, in East Hampton, N.Y. She appears in the new movie, directed and written by her brother, Jake.
Neve Campbell arrives at The Odeon Leicester Square for the London premiere of "The Bourne Ultimatum" on Aug. 15, 2007.
Callie Thorne poses at the screening of "Delirious" in New York on Aug. 9, 2007. She has a role in the off-beat drama from Tom DiCillo.
Q'Orianka Kilcher arrives for the premiere of "The 11th Hour" in Los Angeles on Aug. 8, 2007. Leonardo DiCaprio is one of the forces behind the new documentary about global warming.
Kate Bosworth poses at the premier of "The 11th Hour" in Los Angeles on Aug. 8, 2007.
Charlize Theron accepts a check from the Hollywood Foreign Press Association on behalf of the non-profit Film Foundation Inc. at a luncheon at the Beverly Hills Hotel on Aug. 9, 2007.
Hilary Swank faces photographers at a Hollywood Foreign Press Association luncheon at the Beverly Hills Hotel on Aug. 9, 2007.
Bai Ling appears at the launch party for Helio's Ocean mobile device. The event was a benefit for Heal the Bay at the Sunset Tower Hotel on Aug. 8, 2007, in West Hollywood.