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Jennifer Lawrence, SAG Arrivals

Frazer Harrison/Getty Images

That flu Jennifer Lawrence was fighting at the Golden Globes apparently escalated into "walking pneumonia."

And yet...the Silver Linings Playbook star somehow keeps looking better and better!

The 22-year-old thesp, a Screen Actors Guild Award nominee tonight for best female actor in a leading role, threw on another Christian Dior confection—this one a sleek, strapless column gown—and Chopard jewels and hit the red carpet with her usual poise and sense of humor intact.

"It's highly contagious," Lawrence joked with E! News' Giuliana Rancic, quickly assuring that she's doing fine now.

As for that stunning gown ("just whatever, just Diorin' it up"), the burgeoning fashionista said it was only recently that she started to come into her own, style-wise.

"I had my brothers' hand-me-downs," she told Rancic about being a reluctant tomboy growing up. "I had no choice! I didn't want to be, but my parents wouldn't buy me clothes. I had to wear my brothers' clothes, so I was literally wearing men's clothing.

"I was mixing and matching, I could get some girl clothes," Lawrence joked. 

As for awards season, of which the two-time Oscar nominee has become a prominent fixture, Lawrence admitted to being a mix of scared and excited.

"I never know what I'm going to say or do, so that's always nerve-racking for me," she said.

And yet that's always so wonderful for us!

Meanwhile, though supporting actor nominee Tommy Lee Jones opted to keep his case of the flu confined to his house tonight (perhaps figuring cold medication might have put him in too good a mood), Rust and Bone star Marion Cotillard braved the chill and came out with a cold.

"Don't touch me, I am so sick," Cotillard—a nominee for lead female actor—told Rancic, sounding a little stuffed up but looking fabulous. "L.A. doesn't know how to deal with cold weather, I guess...I never think it's going to be cold!"

Like Lawrence, Cotillard's secret weapons were Dior Haute Couture and Chopard.