The reemergence of the bob and mid-length haircut

E! host Giuliana Rancic arrived with a sleek and light bob.  (Jason Merritt / Getty Images)

Jane Krakowski, from “30 Rock”, wore a teased, a-line bob.  (Allen J. Schaben / Los Angeles Times)

Actress Elizabeth Moss of “Mad Men” donned a straight, edgier do, resembling a pixie-cut, with pin-straight ends.   (Paul Buck / EPA)

Actress Claire Danes, winner of the best actress in a drama series for “Homeland” had a simple, faux bob.  (Jason Merritt / Getty Images)

“Girls” actress Lena Dunham showed an extra-short bob cut that layered just past her ears.   (Robyn Beck / Getty Images)

Actress Christina Hendricks did a curly take on the bob, channeling the 1930s with medium-sized ringlets that hit just below her jaw.  (Frazer Harrison / Getty Images)

Cobie Smulders, from “How I Met Your Mother”, worked a voluminous do with waves galore.  (Dan Steinberg / Associated Press)

Actress Julianne Hough reached the limits of a bob with a wavy, tousled cut.  (Mike Nelson / EPA)

Solange Knowles attends the 3.1 Phillip Lim for Target Launch Event and shows a puffy bob that dazzles with volume.   (Dimitrios Kambouris / Getty Images)