EXCLUSIVE: Kate Upton ' hottest girl ' yet to do Carl's Jr. commercial

EXCLUSIVE: Kate Upton ' hottest girl ' yet to do Carl's Jr. commercial:  Carl’s Jr./Hardee’s TV ads accept a acceptability for axis the burning of a apprehensive hamburger into an orgasmic acquaintance – attestant Kim Kardashian, Padma Lakshmi and Paris Hilton’s amative chomping for the civic chain.

Now, 2011 Sports Illustrated Rookie of the Year swimsuit archetypal Kate Upton is in a position to out-sexy them all with her animated new ad for the chain's new Southwest Patty Melt.

“Kate’s apparently the hottest babe we’ve anytime formed with,” declared ad bureau 72andSunny's artistic administrator Justin Hooper. “We adulation anniversary of the women we’ve formed with, but there’s something about Kate that’s so All-American, so admirable and actual classic.”

Fox411.com was on duke Tuesday night as, top aloft the lights of city Los Angeles, a aerodrome in Elysian Park was adapted into a ‘50s drive-in for Upton's commercial, complete with a best monster cine and a archetypal convertible.

Of course, like a lot of 19-year-olds, Upton has never in fact been to a drive-in movie.

“My mom acclimated to go to them all the time, and she told me about them,” Upton told Fox411.com. “She admired them.”

Upton, not cutting abundant added than a chiffon bespatter dress, expertly writhed and angled her aback on top of the best car as she munched on the awkward sandwich. “I’ve been clay for about 5 years now, and so getting shy affectionate of went out the aperture a while ago,” declared Upton. “I’m actual assured in my body.”

PHOTO: Kate Upton absolutely brand her patty melt.

Despite the arctic 50 amount temperature, Upton got things hot and agitated on the set. “It’s the Southwest Patty Melt, and it’s one of their classics, but now they’re abacus a little spice–adding some jalapeños and authoritative it a little bit hotter,” explained Upton. “I’m a ‘50s babe with a little cardigan on, a absolutely candied affectionate of a girl. But again I yield a chaw and all of a sudden, I’m sweating, and I’m demography off all of my clothes and I’m in my lingerie!”

Indeed.

Upton said her ancestors durably supports her adventure in the amative burger arts – up to a point. “Of course, I told them and they’re actual aflame about the commercial,” she said. "They apprehend that I can about-face on the sexy, and they were apparently like, ‘Tone it down!’”

With a knockout amount to maintain, the Southwest Patty Cook charcoal alone an casual allowance for Upton. “I adulation burgers, but I absolutely can’t accept them every day,” she said. “It’s a appropriate treat, for sure. Maybe already a week.”

Upton’s admired Corgi-Jack Russell mix, Boots, may aswell get to allow in a amusement from Carl’s Jr./Hardee’s. “This is the aboriginal time she’s been on set with me,” she said. “She’s 10 years old and I’ve had her back she was a puppy. I’ll accept to see if she can try a patty melt, she absolutely eats humans food!”

The albino affliction is aswell absorbed to Twitter (and tweeted a pic from the shoot). “When I aboriginal got Twitter, I tweeted about alive on set and getting on set, but now about all my audience don’t let me cheep about behind-the-scenes stuff,” said Upton, contrarily accepted as @kateupton. “They accomplished I was a little too Twitter friendly!”

While Upton won’t say if she’s dating anyone (“I like to accumulate my claimed activity private”), she has a brace of requests for abeyant suitors. “Being above and accepting a faculty of amusement is absolutely important to me,” she said. “And he has to yield me to a drive-in cine theater!”

Upton’s bartering will air in backward February, appropriate if the new sandwich hits menus.