sims was an official spokesmodel for old navy ads known for using the tag line "you gotta get this look!" she appeared in the "sports illustrated" "swimsuit issue" in 2000, 2001, 2002, 2004 and 2006 as well as mtv's "house of style". in the 2006 issue of "sports illustrated swimsuit issue" she appeared in a photo wearing a bikini designed by susan rosen worth $30 million that was made of diamonds. she is a "covergirl" model and is signed to next models management in new york city.