Best Celebrity Pictures Week of December 12, 2011

The holidays are fast approaching, but that didn't slow down Hollywood's hottest stars this week. There was the exciting news of Britney Spears's engagement to Jason Trawick, a family reunion for Tom Cruise, and lots of hot red-carpet premieres. Award season got started with the announcement of the SAG and Golden Globe nominees as well — but that's not all that happened. Click through to see the week's best pictures and biggest stories!