Jamie Lynn Spears is admitting it's "cold AF out here" while shirtless in leather. The 29-year-old actress, singer, and sister to pop princess Britney Spears is, like half of America right now, battling plunging temperatures and snow, with the "Sweet Magnolias" star today making her Instagram update a sexy take on weather talk. Jamie Lynn, followed by 2.1 million, updated with a jaw-dropping edgy shot, she was going hell for leather in her jacket, and she was sensible – stay indoors. Check it out below.