Celebrity Lupita Nyong'o Watches Serena Williams Win at the U.S. Open, Crosses an Item "Off the Bucket List" By Olivia Bahou Olivia Bahou Facebook Olivia Solomon is a New York-based writer and editor who covers all things fashion, lifestyle, celebrity, and pop culture. She was previously the Assistant Digital Editor for InStyle, and her work has appeared in many national publications. InStyle's editorial guidelines Updated on August 31, 2016 @ 12:30PM Pin Share Tweet Email Photo: Jean Catuffe/GC Images Lupita Nyong’o may have an Oscar under her belt, but she’s just as star-struck by 22-time Grand Slam champion Serena Williams as the rest of us. The actress attended the 2016 U.S. Open Tuesday night and watched the world's No. 1 female player dominate her way to a straight-set victory. Nyong’o stunned in the stands while wearing a navy and white printed head wrap and matching crop top. She paired the look with black high-waist pants and chunky silver sandals and slipped on a pair of round glasses and a jean jacket to watch the night match in Arthur Ashe stadium. Williams made quick work of her formidable opponent Ekaterina Makarova, winning the match 6 – 3, 6 – 3. Jean Catuffe/GC Images The actress was clearly impressed by the tennis star's quick victory and shared a snapshot of the champion on the court. “Simply The Best, live. Crossed another off the bucket list,” she wrote alongside the fierce photo. Serena Williams Flaunts Her Ripped Abs in Preparation for the U.S. Open Nyong’o isn’t the only one bringing star power to the Billie Jean King National Tennis Center. Click through to our gallery to see even more celebrities in the stands at the 2016 U.S. Open Championships.