Roberts was all smiles at the 1997 premiere of Conspiracy Theory, wearing a strappy black gown with a simple heart-shaped necklace. Her hair was styled in a chin-length bob.Her elegant look at the 1998 People's Choice Awards included a sleek updo, a black sleeveless gown, and a two-toned satin wrap.Roberts rocked another black dress for the 1999 premiere of Runaway Bride in Westwood, California. She paired the strapless number with a baby-pink shawl.While attending a red-carpet event with then-boyfriend Benjamin Bratt, Roberts wore a bright-pink dress with a furry black shawl. In 2001, Roberts won the People's Choice Award for favorite motion-picture actress while wearing a black suit with subtle pinstripes.Her hair was styled in a sleek, shoulder-grazing lob.She arrived at the 74th Annual Academy Awards in yet another stunning black dress, this time featuring a high slit, cutouts, and long sleeves.Roberts paired the dress with strappy black heels and wore her auburn curls in an updo.In a departure from her usual red-carpet look, Roberts wore a champagne-colored satin gown with a deep-V neckline and jeweled embellishment to the 2004 Academy Awards.At the 11th Annual Critics' Choice Awards in 2006, Roberts stunned in a black suit with a matching ruffled shirt underneath.A statement gold necklace was the focal point of Roberts' ensemble for the 67th Annual Golden Globe Awards in 2010.She paired her knee-length black dress with black pumps and a black clutch and styled her now-blonde hair in loose waves. The actress looked breathtaking at the 2012 AFI Life Achievement Awards, donning a long-sleeved black gown with a deep-V neckline and a statement necklace.Her bouncy brunette curls added some volume to the look. Roberts brought the drama in an off-the-shoulder black gown and emerald pendant necklace as she walked the red carpet with George Clooney at the 69th Annual Cannes Film Festival in 2016.At the 2018 Toronto International Film Festival, Roberts put a modern spin on her usual black dress with exaggerated shoulders, side cutouts, and three-quarter-length sleeves.At the 2019 Golden Globes, the actress ditched her usual black dress in favor of a tailored black-and-blush jumpsuit with a flowing half-skirt.She finished off the look with glamorous blonde waves and statement earrings. Roberts rocked another tailored suit at the 2019 Critics' Choice Awards. The look featured white pants and a sleeveless black jacket-top that flowed down into an embroidered half-skirt. The actress donned a bold, navy-and-white two-piece set with a white belt and matching Oxford shoes for the 2019 Veuve Clicquot Polo Classic in Los Angeles.She finished off the look with big sunglasses and tousled blonde waves. Roberts may be known for her black dresses, but her look for the 2019 Fashion Awards totally revamped the style.The actress wore a sparkly, wide-legged jumpsuit and added a pop of color with blue statement earrings. Read More:Every single Julia Roberts movie, rankedJulia Roberts has been a lead actress in Hollywood for over 3 decades — here's a look at her incredible career26 of the most daring outfits Cher has ever worn23 photos that show the evolution of Adele's style over the years