Kate Walsh continues to work out her new darker do at the Marchesa Fall 2008 fashion show during NY Fashion Week, held at the Chelsea Art Museum in New York City on Wednesday.

The 40-year-old Private Practice star made a very short cameo in will.i.am’s Barack Obama “Yes, We Can” Song.

WHAT DO YOU THINK of Kate’s feather duster skirt?

Private Practice star Kate Walsh busts out at the Victoria’s Secret ‘What is Sexy’ Superbowl Party held at Taste Ultra Lounge in Scottsdale, Arizona on Sunday.

Check out the video of Kate talking about her new darker hair color at the VS event.

On Saturday, Kate climbed into a Cadillac CTS before taking it for some hot laps around the race course at the Bondurant School Of High Performance Driving outside Phoenix.

10+ pictures inside of bustin’ out Kate Walsh… More Here! »

Jake Gyllenhaal does a little lipsynching and booty-shaking to the tune of “I Will Survive” in celebration of talk show host Ellen DeGeneres‘ 50th birthday (tomorrow is her actual birthday)

Other celebrities who join in on the “karaoke” fun: Victoria Beckham, Queen Latifah, Kate Walsh, Jamie Foxx, Paris Hilton, Sharon Osbourne, David Spade, Heidi Klum, Masi Oka and Celine Dion. Watch the video below!

HAPPY BIRTHDAY, ELLEN!

25+ screencaps inside of the aforementioned celebs singing… More Here! »

Kate Walsh leaves the trendy Chris McMillan hair salon in Beverly Hills on Wednesday with her hair still wet. (Do you think Kate would ever go back to her original “mousey brown” hair color??)

The 40-year-old Private Practice star then headed over to a photo studio in Santa Monica. Bring back the Red Swimsuit of Hotness! Note to photographer: some close variation of the original will be acceptable. Thank you.

“Come” boots by Christian Louboutin.

10+ pictures inside of Kate Walsh’s hair appointment… More Here! »

Kate Walsh and gal pal Keisha Chambers (wife of Kate’s former Grey’s Anatomy costar Justin Chambers) attend a meeting together at Hollywood Presbyterian Church in Los Angeles on Tuesday.

The pair then headed to Cafe Solar de Cahuenga where they met up with another female friend to enjoy a round of iced teas.

15+ pictures inside of Kate ‘n Keisha out and about Los Angeles… More Here! »

Private Practice star Kate Walsh is super smiley as usual as she visits parks at an underground garage before entering an office building in Century City, Calif on Monday.

Sorry, no backless shots in this photo set. Better luck next time!

Funny Kate quote of the day: “I’m four years older than [my husband Alex Young], so I’m a cougar, baby! One of our show’s producers said he went on some website where I was even Cougar of the Week! [Laughs and snarls like a cat]”

15+ pictures inside of underground Kate Walsh… More Here! »

Kate Walsh dips it low in a super sexy backless gown by Azzaro at The Art of Elysium’s “Heaven: Celebrating 10 Years” anniversary gala held at Vibiana on Saturday in Los Angeles.

“It’s very classic and beautiful from the front,” said one onlooker from the red carpet. “But when she turned around she had that deep plunging back. Breathtaking!”

Kate, 40, was accompanied on the red carpet by movie exec husband Alex Young. What a lucky, lucky guy!

10+ pictures inside of Kate Walsh supporting The Art of Elysium… More Here! »

Kate Walsh and movie exec husband Alex Young grab lunch together on Wednesday at the trendy M Cafe on Melrose Avenue in Los Angeles.

The loved-up couple then headed to La Brea Blvd to browse at Blend and La Moderne furniture stores.

Alex picked up Sue Hostetler’s book, “Hip Hollywood Homes: An Intimate Look at L.A.’s Hottest Trendsetters and the Inspiring Spaces They Live in.” Looks like Kate and Alex are taking furnishing tips from an interior design book!

10+ pictures inside of Kate Walsh wanting to spruce her hip hollywood home… More Here! »