Check out these celebs who have rocked red on the red carpet:
Study says women feel threatened by others wearing red
THE OSCARS(r) - RED CARPET ARRIVALS - The Academy Awards(r) for outstanding film achievements of 2013 will be presented on Oscar Sunday, MARCH 2 (8:00-11:00 p.m., ET/5:00-8:00 p.m., PT), at the Dolby Theatre(r) at Hollywood & Highland Center(r) and televised live on the ABC Television Network. (Photo by Rick Rowell/ABC via Getty Images)
LOS ANGELES, CA - SEPTEMBER 18: Kerry Washington arrives at the Academy of Television Arts & Sciences 63rd Primetime Emmy Awards at Nokia Theatre L.A. Live on September 18, 2011 in Los Angeles, California. (Photo by Gregg DeGuire/FilmMagic)
LOS ANGELES, CA - SEPTEMBER 18: Nina Dobrev arrives at the Academy of Television Arts & Sciences 63rd Primetime Emmy Awards at Nokia Theatre L.A. Live on September 18, 2011 in Los Angeles, California. (Photo by Gregg DeGuire/FilmMagic)
LOS ANGELES, CA - SEPTEMBER 18: Lea Michele attends the 63rd Annual Primetime Emmy Awards held at Nokia Theatre L.A. LIVE on September 18, 2011 in Los Angeles, California. (Photo by Donato Sardella/WireImage)
Actress Kate Winslet arrives at the 63rd Primetime Emmy Awards held at Nokia Theatre L.A. Live on September 18, 2011 in Los Angeles, United States.
NEW YORK - MAY 03: Actress Camilla Belle attends the Metropolitan Museum of Art's 2010 Costume Institute Ball at The Metropolitan Museum of Art on May 3, 2010 in New York City. (Photo by Bryan Bedder/WireImage for Vogue)
Actress Sandra Bullock arrives before the 83rd Academy Awards on Sunday, Feb. 27, 2011, in the Hollywood section of Los Angeles. (AP Photo/Chris Pizzello)
Model Heidi Klum arrives for the 80th Academy Awards Sunday, Feb. 24, 2008, in Los Angeles. (AP Photo/Kevork Djansezian)
LOS ANGELES, CA - FEBRUARY 10: Rihanna arrives at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Dan MacMedan/WireImage)
LOS ANGELES, CA - FEBRUARY 24: Jennifer Aniston arrives at the 85th Annual Academy Awards at Dolby Theatre on February 24, 2013 in Hollywood, California. (Photo by Jeffrey Mayer/WireImage)
BEVERLY HILLS, CALIFORNIA - JANUARY 13: Actress Zooey Deschanel arrives at the 70th Annual Golden Globe Awards held at The Beverly Hilton Hotel on January 13, 2013 in Beverly Hills, California. (Photo by George Pimentel/WireImage)
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KTLA reports that according to researchers, it could also cause a rivalry between women.
A new study finds that women think another lady in red can be a sexual threat. According to the numbers, women who wear red set off so-called 'mate guard impulses' in other females.
In fact, women are more likely to guard their romantic partners when they see another woman wearing red. The research suggests that both men and women do link the color red to sex.
Previous studies have also found links between red and fertility.