Photos: L.A. Prep World pop-up-house

From left, Arielle Kebbel, Malin Akerman and Teresa Palmer.  (Donato Sardella and John Sciulli / Getty Images)

Bijou Phillips in a navy blazer, white strapless sailor dress, gold skinny belt, red/blue/black silk pocket square, and black patent pumps, all by Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)

Colton Haynes in Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)

Danny Masterson in a light blue linen pinstripe blazer, white linen button down, white chinos, black-and-white check pocket square and navy/tan saddle shoes, all by Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)

Hailee Steinfeld.  (Donato Sardella and John Sciulli / Getty Images)

From left, Ioan Gruffudd in a gray suit, white button shirt, and red-and-navy silk tie with white-and-navy saddle shoes, all by Tommy Hilfiger; Cobie Smulders in a red/white/blue geo print twist skirt, crisp white oxford blouse, mint pique bra top and navy canvas-and-leather belt , white canvas platform T-strap sandal and pink clutch, all by Tommy Hilfiger; Alice Evans in a black silk cocktail dress with open back, by Tommy Hilfiger; Jason Lewis, Mailin Akerman and Melissa George; Sarah Shahi in a red/white/blue geo print halter dress and tan platform shoes; and Steve Howey in a black-and-white check blazer, white shirt, khakis and white-and-black saddle shoes, all by Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)

Ioan Gruffudd, left, Alice Evans, and Dee and Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)

From left, Justin Chambers in a khaki suit and white shirt with a navy silk pocket square, all by Tommy Hilfiger, and Keisha Chambers in a navy silk tennis dress with pleated skirt by Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)

Malin Akerman.  (Donato Sardella and John Sciulli / Getty Images)

Melissa George.  (Donato Sardella and John Sciulli / Getty Images)

Melissa George and Cobie Smulders.  (Donato Sardella and John Sciulli / Getty Images)

From left, Rachael Kemery in a red/white/blue cotton-striped cropped double-breasted jacket, blue-and-white striped blouse, white eyelet mini-skirt, brown belt, navy and white high-heeled shoe and red leather handbag, all by Tommy Hilfiger; and Michael Rady in a charcoal gray suit, blue-and-white check shirt, and yellow tie, all by Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)

Scott Speedman in a gray suit, white shirt and navy silk tie, all by Tommy Hilfiger.  (Donato Sardella and John Sciulli / Getty Images)