LOS ANGELES, Calif. -- Today I'm feeling the love for a wardrobe classic. The little black dress.

Everyone has their favorite go-to LBD and yet, somehow, we always have room for one more in our closets! Want to update yours? InStyle Fashion Features Editor Megan Deem highlights five variations on every woman's must have.

The Environmental Media Association (EMA) and company Yes To Inc. have announced an ongoing partnership with the LA Unified School District to support organic gardens and greenery in urban schools across the city.

NEW YORK, HOLLYWOOD, CHICAGO & BEYOND... -- Thursday, November 6 in LA: Hayden Panettiere, Nicole Richie, Drew Barrymore, Heidi Klum, Donald Sutherland, Lucy Liu, Fergie and Ryan Seacrest, among many more, watched Madonna perform with Britney and later Justin Timberlake at Dodger Stadium... Emilio Estevez, who just signed on for a guest appearance on "Two And A Half Men" sitting in the foyer Thursday mid-morning at Shutters Hotel in Santa Monica....

In San Francisco: Ashton Kutcher and MC Hammer celebrated MySpace Music's recent content channel launch, with a party featuring a performance by R&B legend Lionel Richie, who sang his classic hits, including "All Night Long" and "Brick House -- DJ AM also performed...

The rest of this week's celebrity sightings inside!

And in LA -- Celebrities including Shannen Doherty, Nicky Hilton, Amy Smart, Molly Sims, Minnie Driver, Jamie-Lynn Sigler, Rex Lee of "Entourage," and former Britney BFF Alli Sims viewed the newest collections from vintage-inspired luxury fine jewelry line JULES SMITH, edgy footwear "shoe-elry" line UES, Upper Echelon Shoes and BLAINE, a new cashmere knitwear collection by Blaine Zuckerman.

The rest of the week's hot sightings... inside!