Nicky who gave birth to daughter Lily last summer, paired her springtime dress with a red purse and black flats.


They were joined by Paris' model boyfriend Chris womens dresses sale , 31, who matched his girlfriend's casual vibe in a grey sweatshirt, jeans and sneakers.


New York is just the latest stop on the DJ and her younger boyfriend's love tour.


Recently, they have been partying in Miami and Los Angeles, celebrating their love for one another in a series of social media posts.


A week ago, Paris posted a photo with her love with the caption, 'He has the most adorable eyes you could ever fall for & the cutest smile that takes your breath away.' 


She added, 'He has the ability to make you smile every time he speaks & whenever you look into his eyes it's so hard to turn away.'And on Tuesday Paris Hilton rocked a playful black hat with cat ears as she stepped out with her Chris Zylka and sister Nicky.


The trio were spotted out enjoying the Cheap Beige Leather Platform Mary Janes SH40222 in New York on Tuesday. 

 Cheap Beige Leather Platform Mary Janes SH40222

Paris, 36, was in head-to-toe black casual wear while her younger sister, 33, wore a bright white dress with a cherry print throughout. 


Paris paired her baggy sweats and athletic kid baseball jacket with a bag slung across her body.


Nicky married James Rothschild, heir of a European banking firm, in 2015 wearing a custom couture gown by Valentino. 


Paris was a bridesmaid during the ceremony, which took place in London.