In today's fame-obsessed society, big name actors, musicians and models hit the red carpet dozens, if not hundreds, of times a year. As such, you'd think they'd be used to the hot glare of the spotlight.
But you'd be wrong. Whether it's the stress of the paparazzi's flashbulbs, the heat emanating from throngs of fans, or simply warm weather, celebrities should be familiar with the value of a $5 investment in antiperspirant.
Check out who is looking a bit hot and bothered in our roundup of stars sweatin' it out ...
(TOKYO - AUGUST 28: Actor Tom Cruise waves as he arrives at Haneda Airport August 28, 2003 in Tokyo, Japan. Cruise is currently on a promotional tour for his new film \"The Last Samurai\". (Photo by Koichi Kamoshida/Getty Images) Original Filename: 2435093.jpgvia Flatbed Web)