Pregnant Nicky Hilton flashes a smile while stepping out in New York City with sister Paris

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She'll soon become a mother-of-three after revealing she's pregnant once again.And Nicky Hilton appeared to be in great spirits as she stepped out with sister Paris in New York City on Tuesday afternoon.The 38-year-old fashion designer rocked a grey trench coat with a massive yellow rope detail as she linked up with her older sister after confirming another baby was on the way.

Out and about: Nicky Hilton appeared to be in great spirits as she stepped out with sister Paris in New York City on Tuesday afternoonNicky bundled up in the brisk winter weather wearing a cozy beige sweater underneath a long coat which draped down to her ankles.

She added inches to her petite frame with a pair of brown suede booties and carried a black leather Hermes Birkin bag across her shoulder.Paris looked fresh from her months-long honeymoon as she stepped out wearing a skin-tight leather skirt with a matching bodysuit.

Hot mama: The 38-year-old fashion designer rocked a grey trench coat with a massive yellow rope detail as she linked up with her older sister after confirming another baby was on the way Beautiful: Nicky bundled up in the brisk winter weather wearing a cozy beige sweater underneath a long coat which draped down to her ankles Blessed: Paris looked fresh from her months-long honeymoon as she stepped out wearing a skin-tight leather skirt with a matching bodysuit.The Stars Are Blind singer stayed warm wearing a matching duster and rocked a pair of studded heels while carrying a chain-link purse.Her platinum blonde hair was worn partially tied up and she let tendrils cascade down her shoulders while wearing a pair of over-sized frames.Paris recently walked down the aisle and said 'I do' to husband Carter Reum, and then embarked.