Katie Holmes, is that you?

The 36-year-old stepped out for two NYC-based events on Thursday, looking chic in a blue Zac Posen dress — but it was her thinner-than-ever frame that really caught everyone's attention.

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katie holmes january vs. october

Katie in January 2015(right) vs. Katie in October 2015.

While Katie looks great, we can’t help but notice a significant weight loss since her January appearance at the Weinstein Company and Netflix Golden Globes after party.

RELATED: Tom Cruise Hasn't Seen His Daughter, Suri in HOW LONG?!

The mother-of-one has certainly had a busy year career-wise, between Ray Donovan, Touched With Fire and Woman in Gold. She is currently filming All We Had and was announced to be starring in 2016’s The Kennedys After Camelot.

She is also busy being a doting mother to her nine-year-old daughter, Suri from her relationship with ex-husband Tom Cruise.