We love everything about Fashion Week, especially the fact that so many of our beloved "Hills" girls are here in New York City for it. On Tuesday, Kristin Cavallari and Stephanie Pratt both attended LAVO's grand opening party and found themselves in an intense fashion face-off (OK, OK, we're the ones actually creating it). Kristin--who has been to a ton of events this week--wore a knee-length sheer dress with lace details while Stephanie sported a super-tight leather bustier and gray miniskirt.

+ Check out the photos and tell us which Hillzie looked hotter posing on the red carpet!

Related Content The Hills, Kristin Cavallari's Fashion Week Outfits: Which Is Your Favorite?

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Kristin Cavallari's heart might be in Chicago with her new man Jay Cutler--who reportedly flew to NYC yesterday for a lunch date with her--but right now, her eyes are glued to the stage at Lincoln Center. Over the weekend, the ex-"Hills" star attended Fashion Week shows and parties, scouring for spring 2011 trends and showing off some fabulous looks from her own closet. At the Zac Posen show on Saturday, she rocked a knee-length floral dress with built-in corset (pic on the left); on Sunday, she wore an asymmetrical Romona Keveza dress to the The Montblanc John Lennon Edition party (center); at the Catherine Malandrino presentation she went ultrasophisticated and wore a blouse and trousers by the designer (right).

+ What do you think of Kristin's diverse wardrobe? Take a look at the head-to-toe outfits below and tell us which one is the front-runner!

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After watching Vinny sleep with the enemy (Angelina) on last night's episode of "Jersey Shore," we wondered whether or not the kid had a soft spot for his hometown hottie all along (turns out we were alone on that--76% of you say no). Maybe it was just his raging hormones that got the best of him, but either way, Pauly D wasn't letting the smushfest slide without clowning him for it. After the episode aired, he tweeted at Vinny about his decision-making skills.

Over in "Hills" territory, Kristin Cavallari--who's been spending time visiting her football stud in Chicago--had trouble packing for New York Fashion Week and Spencer Pratt openly apologized to his fans for being "an epic douche." Are we ready to forgive and forget?

Check out their tweets below:

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Tags Jersey Shore's Angelina, Jersey Shore's Vinny, Jersey Shore's's Pauly D, Kristin Cavallari, MTV Twitter Roundup, Spencer Pratt

Ex-"Hills" castie Lauren Conrad is always a major trendsetter, and this week she tried to bring back '50s glamour by posting a photo of her bad self rocking a major throwback beehive (we totally love it!). Her former bestie Heidi Montag, who is still traipsing around in Costa Rica, had a nightmare that she slept sans protective nose tape, and Kristin Cavallari had no problem telling peeps she was in Chi-town visiting her new football boo.

Check out their tweets below:

Related Content The Hills, Check Out Kristin Cavallari's New Football Stud!

Tags Heidi Montag, Jersey Shore's Angelina, Jersey Shore's's Pauly D, Kristin Cavallari, Lauren Conrad, LC, MTV Twitter Roundup

The days of Kristin Cavallari's manhunt crusades seem to be over (well, for now). According to EOnline.com, the former "Hills" star is dating a studly football player by the name of Jay Cutler. Apparently, the Chicago Bears quarterback has had a crush on Kristin for a while and the two went on their first date in Chi-Town earlier this week. "They had a lot of fun," a source told the site. "Kristin wants to come back to Chicago more often during the season." Wonder if her ex-friends-with-benefits, Brody Jenner, is jealous?

+ What do you think of Kristin's new man? Totally hot or not? Sound off in the comments!

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Kristin Cavallari's really been playing around with her look this month. Not only did she color her hair a darker hue, but the always trendy ex-Hillzie stepped out on Wednesday donning a Farrah Fawcett-inspired feathered hairstyle. K-Cav paired her '70s blowout with a mixture of surplus and designer fashions, rocking teeny weeny white shorts by Black Orchid, an oversized Splendid blouse and nude Hussein Chalayan cut-out heels.

+ What do you think of K-Cav's throwback style? Are you feeling the 'do, or do you prefer her hair stick straight? Sound off in the comments!

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Last time we checked in with Spencer Pratt, he was gloating about the number of ladies crowded around him, but this week, he got back to business. On Wednesday, he wrote that he was busy working on his new film, "Tower 69: Beach Patrol" (that title still makes us think there will be lots of chicks around). It's possible that his soon-to-be ex-wife, Heidi Montag, has been keeping up with his tweets, because she spent the week spring summer cleaning to try and erase all signs of her old life (which, we have to assume means removing all things Speidi). The ex-couple's former "Hills" costar Kristin Cavalalri -- who just debuted her new 'do -- struggled with her BlackBerry, Lo Bosworth professed her love for pint-size Snooki and Whitney Port sounded like she might have had a wee bit too much to drink.

Check out their tweets below:

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Tags Heidi Montag, Jersey Shore's Snooki, Kristin Cavallari, Lo Bosworth, MTV Twitter Roundup, Speidi, Spencer Pratt

Kristin Cavallari's gloriously blond hair has always been a staple to her appearance, but this week, the ex-Hillzie made a major change to her mane. At the BlackBerry launch party on Wednesday, K-Cav introduced her golden-dyed 'do (which we're totally digging!) and posed on the carpet in a complementary beige body-con dress, black Christian Louboutin peep-toe pumps and CC SKYE bracelet.

+ Check out the comparison photos below, then take the poll and let us know if you're feeling Kristin's new look or prefer her old-school locks.

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Kristin Cavallari has always been a well-respected fashion trendsetter, and now she's making big plays in the skin care world. Earlier this week, she hosted the grand opening of the Kiehl's store in Topanga, California. The ex-Hillzie took a cue from her all white-sporting pal Audrina Patridge and showed off her flawless figure in a layered ivory dress. Kristin kept her makeup minimal, but added a little va-va-voom factor with her funky leopard Prada heels and gold jewelry.

+ What do you think of K-Cav's outfit? Right on the money, or do you like her bolder looks better? Sound off in the comments!

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The last time we saw Kristin Cavallari, she was all about toned-down Dodger Blue, but on Friday, the ex-"Hills" star switched up her style and went for a red-hot vixen look. After taking a mini road trip to San Diego to attend the TV.com NOW Awards, K-Cav flaunted her figure in a silky strapless dress with layers of eye-catching ruffles. Later, the sizzlin' Hillzie headed inside the event with her dad (he was her date -- how sweet!) and tweeted that she was being recognized as Trendsetter Of The Year.

+ We love that K-Cav was honored for her fashion-forward style! Below, check out some of her other daring ensembles from the past year!

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