Fashion Week Update: Christina Milian Hikes Up Her Pants, 'Project Runway' Final Four Debut

Diddy, Kanye West, Hilary Duff, Joel Madden make for star-studded front row at Zac Posen show.

NEW YORK — Fashion week only gets crazier as the clock ticks.

Thursday night at the Bryant Park tents, 26-year old design prodigy Zac Posen — who recently dressed Rihanna in a floor-length mermaid gown for Fashion Rocks (see "Beyonce, Jay-Z, Christina Put The Rock in Fashion Rocks Concert") — showcased a theatrical yet sophisticated collection of long silk gowns, sexy slips and black geometric dresses and blouses, adorned with bows and ruffles galore.

Diddy, Kanye West, Amerie, Gina Gershon, Sandra Bernhard, Emmy Rossum, Lauren Hutton, Kate Bosworth, Hilary Duff and boyfriend Joel Madden all showed up to give curly-haired Posen their support.

(Click here for up-close-and-personal pictures of Fashion Week's star-studded front rows, including shots of Diddy, Hilary, Avril and more.)

Czech supermodel Hana Soukupova rocked the most stunning dress of the show: a white corset gown with a monstrous skirt of gold, silver and white ruffles, something only Victoria "Posh Spice" Beckham could pull off for a black-tie affair. Other gowns might end up on the fashion "don't" list if not worn by the right star.

At the MAC Viva Glam VIP lounge before the show, MTV News spoke with Eve, who was decked out in a Zac Posen bubble-sleeve shirt and a leather skirt. "I really like his clothes," she said. "It's couture, but I still feel comfortable and sexy. It's a lot, but it's not overwhelming."

Burlesque star Dita Von Teese is also a big fan of Posen's for his "attention to detail" and "embroidery," which reminds her of burlesque corsets from the 1940s. "But his stuff isn't just all about the past, it's just a little nod to it and he's aware of historic clothing, and that's what I love about what he does."

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So, who takes longer to get ready: Von Teese or hubby Marilyn Manson?

"What's really great about being with someone who wears makeup and cares about how he dresses is that he understands when it takes me a little longer to get ready and I understand when it takes him longer," she said. "We have patience for each other. And we have separate areas of the house where we get ready. We need our space. But there's never any, 'Are you ready?'

"You can't rush glamour ever," she said. You hear that, guys?

At the Diesel show Wednesday night, held at Cipriani on 42nd Street, it was all about the extremely high waist. With a cloud-filled backdrop and techno blasting on the speakers, Avril Lavigne, Heather Graham and Christina Milian took up residence in the front row. Striped jeans with buttons and tapered legs were almost chest-high, as were red-and-white short shorts, all worn with tight blouses.

Other great items included sweater dresses, jumpsuits, jumper dresses, gold boots, wacky gold leggings, a white bubble dress worn with a thick gold belt at the waist and gold bathing suits. A standout piece was an electric-red, flowy cocktail dress with a wide belt adorned with clear bubbles.

"I loved the show," Milian said. "It's probably the best one for me this week. I can see myself wearing every single piece that was up there. It's very much my style, from the boots to the high-waisted pants to the gold."

Milian hopes the high-waisted jeans will trickle down to the streets.

"I have a couple of high-waisted jeans inside of my closet that could use some wearing," she said. "I've worn it in some of my videos, and I was hoping they would catch on."

Graham wore a striped sweater dress to the Diesel show. "I love rocking the sweater dress," she said. "I think it adds a little edge."

Later Wednesday night, fresh-faced designer Michon Schur was pumped — and nervous — to showcase her feminine, modern and relaxed designs.

Ivory ruffle-sleeve satin shirts, light-blue dainty dresses, silk and gold bustier tops, baby-doll dresses with puffy sleeves and gorgeous white lace dresses would look perfect on celebrities like Kirsten Dunst and Mischa Barton, who just happened to be sitting in the front row.

"Her designs are really great for girls, and it's perfect for young women that really dress for themselves," Barton said. "People always ask me who I am wearing when I wear Michon Schur."

We give Barton the "Fashion Star of the Week" award: So far, she has attended Anna Sui, Zac Posen, Matthew Williamson, Nanette Lepore, Marchesa, Marc Jacobs, Jenni Kayne and Fashion Rocks, in addition to Schur's show (see "Lil' Kim Falls For Pet-Carrying Luggage, Fonzworth Has Bees In His Stomach As Fashion Week Kicks Off" and "Fashion Week Update: Hilton Sisters Get 'Married,' Kelis Brings Down The House").

The "Project Runway" fashion show on Friday morning (September 15) showcased the four designers remaining on the Bravo reality show hosted by Heidi Klum.

Neck-tattooed designer Jeffrey opened the show with rock-and-roll outfits inspired by a Japanese book, including a red-and-white polka-dot dress and tan-and-gray vests with cuts in the sides. A green-and-white striped jacket with a tan skinny pant and a green-and-white dress closed the 12-piece collection.

Uli was up next, and her line consisted of tan, silver and black flowy dresses and skirts. A strapless silver dress with a front gold buckle snap and a blue gown with a tie-dye-like print stood out.

Next was Laura, the pregnant mother of five, who showcased a tan turtleneck dress, a gold shift dress, a black mesh strapless dress and a feather-top baby-doll dress.

Michael was the last to present, and it was all about a street-safari look. The first outfit was a white lace-up dress with gold pockets and a tan belt. Other items included white kimono tops, a green-and-blue halter dress, a fuchsia satin jumper, a white crisscross suit and a black-and-tan patterned dress.