Grey's Season 6 Cast Promo Pics

Katherine Heigl in the sci-fi TV series "Roswell."

Katherine on a TV show she used to star in. We forget the name.

Kate Walsh just bought this awesome new house in Los Feliz, Calif., boasting five bedrooms and over 6,000 square feet of living space. Good for her!

Kate Walsh parties it up at Tao nightclub in Las Vegas, August 2007. The engaged Private Practice star had one heck of a bash thrown for her in honor of her impending marriage!

Sara Ramirez and Keisha Chambers (wife of Grey's Anatomy star Justin Chambers) along with another friend of Kate Walsh, helped the Private Practice star say goodbye to her single status. The venue? Tao in Las Vegas.

The ladies dig Taye Diggs... that we've known since his name started being thrown around as a possible Private Practice cast member. But if these recent pics from Vegas are any indication, that feeling is reciprocated... maybe too much so.

The ladies dig Taye Diggs... that we've always known. But if these pics from Las Vegas are any indication, it's reciprocated, as well.

A Kate Walsh swimsuit photo, and a beauty at that! For a photo shoot in July 2007, magazine unknown at present.

Dressed in the same outfit as Kate Walsh recently... does the American Idol compare to the Private Practice star?

Chyler Leigh has joined the cast of Grey's Anatomy, the big sister (if you will) of Private Practice. Chyler plays the little (half) sister of Meredith Grey.