Star Tracks for Dec. 19, 2006

The Simple Life Star revs up for the holidays with a party thrown by BFF Paris Hilton. Plus: Beyoncé, Katie Holmes and more

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DIVA SPOTTING

Beyoncé turns heads during her Tuesday appearance on Good Morning America. "This was a big deal for me," the Golden Globe nominee told Diane Sawyer about starring in Dreamgirls. "This was my first dramatic role. I was able to really challenge myself. I knew I worked hard for it."