Celebrities are going shorter for summer. Ashley Tisdale is one of the latest stars to debut a new bob. In an Instagram selfie on Wednesday, the 'High School Musical' alum showed off her chin-grazing ombre bob by stylist Anh Co Tran. Emma Roberts also recently debuted a new look. The 'American Horror Story' actress has a bright blonde super short crop that her hairstylist Chris McMillan called a ?hairline bob.? McMillan called the cut ?#thenewshort? in an Instagram post.