Michelle Pfeiffer was the first person ever named People magazine's Most Beautiful in 1990. | Getty Images

Julia Roberts graced the cover of People's Most Beautiful in 1991. | AP file

Jodie Foster was named People's Most Beautiful in 1992. | Getty Images

Cindy Crawford was named People's Most Beautiful in 1993. | Getty Images

Meg Ryan topped the list of People's Most Beautiful in 1994. | Getty Images

Courteney Cox topped People's Most Beautiful list in 1995. | AP file

Mel Gibson was the first man to be named People's Most Beautiful in 1996. | AP file

Tom Cruise topped People's Most Beautiful list in 1997. | AP

Leonardo DiCaprio topped People's Most Beautiful list in 1998. | Getty Images

Michelle Pfeiffer graced the cover of People's Most Beautiful a second time in 1999. | Getty Images

Julia Roberts was named People's Most Beautiful again in 2000.

Catherine Zeta-Jones was named People's Most Beautiful in 2001. | AP file

Nicole Kidman graced the cover of People's Most Beautiful in 2002. | AP

Halle Berry graced the cover of People's Most Beautiful in 2003. | AP file

Jennifer Aniston topped People's Most Beautiful list in 2004. | AP

Julia Roberts was named People's Most Beautiful for a third time in 2005. | AP

Angelina Jolie was named People's Most Beautiful in 2006. | Getty Images

Drew Barrymore graced the cover of People's Most Beautiful in 2007. | Getty Images

Kate Hudson was named People's Most Beautiful in 2008. | AP

Christina Applegate graced the cover of People's Most Beautiful in 2009. | AP file

In 2010, Julia Roberts graced the cover of People's Most Beautiful for a total of four times (and counting?). | AP file

Jennifer Lopez was named People's Most Beautiful in 2011. | AP

Beyonce is supporting the global campaign for World Humanitarian Day, which is Sunday, Aug. 19. A music video of Beyonce performing her song, “I Was Here,” at the U.N. in New York to promote World Humanitarian Day will debut Sunday. | AP file photo