Megan Fox and Rafael Nadal are smokin' hot in new Emporio Armani Underwear and Armani Jeans ads. They'll start showing up on billboards and such next month. [WWD]

Diesel's new "Diesel Island" advertising campaign will also launch in February. It will feature a mythical island populated by Diesel models and fans, brought to life via online games, viral videos and a Facebook application where consumers can interact with the island and its imaginary population. There will also be a fake Wikipedia entry that will be updated weekly as the island grows. “Think ‘Lost’ but with nicer clothes," says Riccardo Bellini, Diesel’s global vice president of branding and marketing. [WWD]

We've written about all the green (as in emerald green) gowns on the Golden Globes red carpet Sunday, but Colin Firth's wife Livia Giuggioli, shown here at an after-party, wore a different kind of green -- the eco-chic kind. Her silvery gray dress was made from hand-dyed indigo "peace" silk, also known as "vegan" silk, designed by Jeff Garner. [Telegraph]

Star stylist Rachel Zoe starts a new column on StyleList with some of her greatest shoe picks for the start of this year. [StyleList]

"Project Runway's" very busy Tim Gunn is writing another book and has added Weight Watchers Fashion Consultant to his resume. He talks about why he loves the red carpet, hates jeggings and called Anna Wintour out in his last tome.  [StyleList] 

Alexander Wang has his first-ever print ad appearing in March's Interview magazine. But the designer prefers to call it an "image piece." [WWD]

--Susan Denley 

Photo: Livia Giuggioli and Colin Firth after Sunday's Golden Globes. Credit: David McNew / AFP/Getty Images

Vogue editor in chief Anna Wintour is a guest at tonight's state dinner at the White House for the *People's Republic of China. She seems a little informally dressed, no?

First Lady Michelle Obama has accessorized her Alexander McQueen gown with earrings by Kimberly McDonald, the jewelry designer known for her use of natural stones, who splits her time between New York and Los Angeles. The earrings are black geodes surrounded by a mosaic of natural rubies, set in 18 karat gold.

--Booth Moore

Photo: Anna Wintour, right, editor in chief of American Vogue magazine, and Shelby Bryan arrive at the White House for a state dinner Jan. 19. Credit: Brendan Smialowski / Getty Images

Updated: Jan. 20, 2011 at 12:28 p.m. An earlier version of this post referred to the White House state dinner for the Republic of China. It was for the People's Republic of China.