Mary-Kate and Ashley Olsen's Fashion Evolution From 1995 to Now

Wearing black and white ensembles with black round sunglasses.

Matching in tank dresses while attending ABC's fall kick-off party at the Hammer Museum in California.

Wearing satin halter tops and dress pants to the Rush Hour 2 premiere in Hollywood.

Wearing cream-colored tops with chunky belts and flared blue jeans to present charitable funds in London.

In matching butterfly-printed camisoles and black pants at the premiere of Austin Powers in Goldmember.

For the 2002 Video Music Awards, Ashley wears a metallic camisole and leather skirt, while Mary-Kate opts for a black top and printed velvet pants.

At the premiere for Charlie's Angels: Full Throttle, Mary-Kate wears a kimono-inspired maxi dress, while Ashley sports a daisy printed halter gown.

At the launch of their clothing line in Paris, the twins opt for very different looks. Ashley wears an olive green blazer and blue jeans combo while Mary-Kate sports a belted dress over flared blue jeans.

For the premiere of Starsky & Hutch, Mary-Kate and Ashley go for a simple look and both wear a white t-shirt and skirt combo.

The 17th Annual Kids' Choice Awards sees the Olsen twins testing out a more mature look. Mary-Kate wears a plunging v-neck dress and Ashley goes for a girlier look, wearing a flirty bandeau top and a satin skirt.

For their Walk of Fame ceremony, the girls both wear midi dresses: Ashley in white, Mary-Kate in lavender.

A few days later, the twins attend the premiere of their movie, New York Minute. Both go for feminine looks with Ashley wearing a satin slip dress and Mary-Kate in a tiered eyelet dress.

At the Vanity Fair Tribeca Film Festival party, Mary-Kate wears pops of pink, while Ashley prefers more neutral shades.

For the Tribeca Film Festival premiere of New York Minute, Ashley wears another long satin dress. This time, Mary-Kate opts for a fun polka-dotted dress with pink heels for a pop of color.

The 2004 Video Music Awards sees the twins dress in similar silhouettes. Mary-Kate keeps it simple in plain white, but Ashley jazzes it up with a pink and orange print.

The twins dress down for Marc Jacobs's fashion show. Ashley keeps it casual with a brown fur coat, jeans, and a t-shirt. Mary-Kate wants make more of a statement and wears a bold green coat with a red sheath dress underneath.

For their first Met Gala, the twins attend the event wearing delicate lace dresses. Ashley wears a golden Oscar de la Renta dress, while Mary-Kate chooses a vintage piece. The theme for the evening is "House of Chanel."

France's Amfar Gala sees Mary-Kate wearing a red satin jacket for a pop of color to her white gown, while Ashley chooses to wear a black and taupe striped gown with a plunging neckline.

At the ninth annual ACE Awards, the twins both choose simple gowns. Mary-Kate wears a pastel blue, strapless draped gown. Ashley, fan of the plunging neckline, opts for a long sleeve gown in black.

Mary-Kate and Ashley are polar opposites for HBO's pre-Golden Globe Awards party, but the sisters both wear a bold red lip to match.