Did The Kardashians Really Have To Go Topless To Sell Jeans?

At this point, it's entirely obvious that the Kardashian Klan's motto is "if you've got it, flaunt it," and the new promo pics for their Sears denim collection (aptly name the Kardashian Kollection), scream exactly that.
Bare-chested and suggestively posed, the sibs got really racy to peddle the newly launched blues, (which are fitted individually to compliment each Kurvy sister's body type).
The idea behind the line is fairly genius considering how different Kim, Khloe, and Kourtney's shapes are, but we're a little taken abreast, er, aback, by the pics, especially since they're shot for oh-so-orthodox department store Sears. We know you're not shocked, but please do opine below. Did they really need to get so explicit to solicit slacks sales?

Photo: Courtesy of Fingerprint Communications.