Since her debut in 2010, we’ve gotten to know T-Mobile’s spokeswoman Carly Foulkes as the effervescent, pink-wearing promoter of T-Mobile goodness. For the latest ads, T-Mobile has turned her into a biker chick, doing away with the floaty dresses and putting her in a leather outfit and helmet.

T-Mobile’s SVP of brand, advertising, and comms tells Mashable that the ad is meant to convey the company’s status as a “challenger brand.”

“The makeover from the girl-next-door to an edgier, more tech-savvy and spirited Carly is synonymous with the evolution of the T-Mobile brand,” he says.

Jezebel, who isn’t a fan of the Foulkes to begin with, isn’t buying it.

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