Looking casual yet chic, Aniston waves to the crowds on her way to tape The Late Show With David Letterman on May 24, 2006.

Wearing a gorgeous black cutout gown, Aniston arrives at the UK premiere of The Break Up , co-starring Vince Vaughn, on June 14.

Looking as pretty as a picture, Aniston hits the premiere of her film Picture Perfect on July 28, 1997.

Aniston shows a little more skin than normal on the red carpet of the Screen Actors Guild Awards on March 9, 2003.

Promoting her film Along Came Polly in London, Aniston looks daytime chic at the Mandarin Oriental Hotel on Feb. 18, 2004.

Looking as elegant as ever, Aniston graces the red carpet at the Hollywood premiere of Rumor Has It  on Dec. 15, 2005

Aniston rocks a one-shoulder dress at a charity event in Beverly Hills on Aug. 19, 2003.

Looking chic in a muted beige dress and glowing tan, Aniston adds some glamour to the red carpet at the premiere of her movie The Break-Up in Los Angeles on May 22, 2006.

A newly single Aniston glows in gold at the premiere of Derailed in NYC on October 30, 2005. Perhaps a "look what you

Aniston channels her Grecian heritage in a Chanel goddess gown with gold beading on the red carpet at the Emmy Awards in Los Angeles on September 19, 2004.

Aniston takes the plunge in a vintage Haltson V-neck silk cocktail dress at the Emmy Awards in Los Angeles on September 21, 2003.

Clutching her much-deserved Emmy, Aniston looks glamorous in in a sparkly Christian Dior powder pink gown at the Emmy Awards in Los Angeles on September 22, 2002.

Showing off a shorter new do, Aniston radiates elegance in a simple black gown at the People

Aniston gives her style a bit of a twist (note the hair) while walking the red carpet at the 51st Annual Emmy Awards in Los Angeles on September 12, 1999.

Sporting the haircut that made her a household name, Aniston smiles at the Pediatric Aids Foundation Annual Picnic on June 4, 1995 in Los Angeles.