Katherine McNamara shows off her dark side at the Lie Sangbong fashion show during Mercedes-Benz Fashion Week Spring 2015 on Saturday afternoon (September 6) in New York City.

The day before, the 18-year-old actress was joined by Pretty Little Liars actress Chloe Bridges and Into the Woods star Lilla Crawford for the Charlotte Ronson show.

PHOTOS: Check out the latest pics of Katherine McNamara

While at the Lie Sangbong show, Katherine had a great time striking a few poses on the catwalk.

“#ModelBehavior on @OfficialLSB @LieSangBong_NY #LSBTAKESNYC runway this morning… xox @mbfashionweek #nyfw #MBFW,” she tweeted.

13+ pictures inside of Katherine McNamara and the girls at NYFW…

Photos: Getty

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