[5] Miller is known for her dark brown hair, full eyebrows and bone structure.

"[6] When she had her breakthrough with Guess, she drew comparisons to Sophia Loren and Brooke Shields and was regarded as something of a throwback.

[11] Other ad work has included Bebe, Billabong, Chopard, Diesel, Elie Tahari, Intimissimi, Juicy Couture, La Perla, Laura Biagiotti and Tecovas (company).

[5] In both 2011 and 2013, Miller participated in the annual Sports Illustrated swimsuit edition of David Letterman's Top 10 on the Late Show with David Letterman on the night that the Swimsuit Issue cover model was announced.

[19] In December 2013, she appeared on the cover and in the 2014 Calendar Girl Issue of the fashion magazine Galore.

Her images were augmented by the artwork of Claw Money who affixed his graphic cartoon paws to both black-and-white and color photographs of her as if they were gripping her while she was modelling.

[24] In April 2018, Miller launched her own line of leather handbags, luggages, and travel accessories called Pilgrim.

[25] Miller's fitness regimen includes ballet and running;[26] she practices Transcendental Meditation.