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We can’t tell you who is going to win a coveted Actor statuette on Saturday, but we can give you a few ideas of what to expect at the Screen Actors Guild Awards.

1. Sandra Bullock will present 88-year-old Betty White, her costar in The Proposal, with the 46th Annual Life Achievement Award. More

Liv Tyler is a model-turned-actress and now, a model again! Dutch denim label G-Star is planning for expansion in the U.S. and they’ve enlisted the gorgeous star to help. Tyler was chosen as the brand’s new ambassador and will star in G-Star advertisements through Fall 2010. “Liv is a great fit for the brand because she exudes the perfect level of sensuality,” the company said in a statement. “She’s a strong, beautiful and independent woman with an impeccable feeling for style.” We couldn’t agree more!

Mango’s Spring 2010 ad campaign features Scarlett Johansson in two of our favorite spring trends—the trench dress and floral prints! The actress looks as sexy in Mango’s curve-enhancing khaki wrap as she does sweet in their strapless liberty-print dress. This is Johansson’s second season modeling for the label.

Julia Roberts made her official debut as Lancome’s global ambassador this week. So what does she think of her new gig? “It’s kind of like every girl’s dream,” Roberts told WWD. The mom of three also admitted that her primping habits changed drastically when she became a mother. “It kind of comes to a screeching halt,” she said. But her new role seems to be changing that already. More