Brooke Shields Serves Long Legs and Style at AMC Networks Upfront Content Showcase

Brooke Shields is showing off her signature confidence. We’re here for this glam moment! The star hit the red carpet at AMC Networks Upfront Content Showcase in a black shirt, a black blazer and sparkly shorts. The star also spoke with PEOPLE on the carpet about the most valuable lesson she's learned recently from daughters Rowan, 21, and Grier, 18. "The mistakes that we quote-unquote think we make are sometimes the most valuable steps towards something that we don't even know yet," Shields said.