(15 of 15) Jennifer AnistonFrom the moment Jennifer Aniston stepped onto the set of Friends, she has been a style icon—the personification of Girl Next Door. From her much-copied hairstyles to her glamorous Emmy gowns, her look has been admired and imitated by celebrities and non-celebrities alike. June, 2006 Wearing a gorgeous black cutout gown, Aniston arrives at the UK premiere of The Break Up , co-starring Vince Vaughn, on June 14.