Kourtney & Khloe Kardashian Take On The Big Apple

Carefully shielding her baby from gawkers, Kourtney Kardashian was out on the streets of NYC today (September 15).

The reality star wore a black top and leggings, with a black and white polka-dotted jacket, as she pushed baby Penelope in a stroller covered with a white blanket. Nearby, her sister Khloe walked out of her hotel in a black top, green pants, and strappy flats, as she carried a matching green hat.

At 28-years-old, the youngest Kardashian sister loves playing auntie to niece and nephew Penelope and Mason. But she has been longing for children of her own.

After being spotted visiting a fertility clinic on "Keeping Up with the Kardashians," the wife of Lamar Odom recently spoke to "Good Morning America" about her struggles.

"My mom has so many kids, and (my sister) Kourtney pops them out like a PEZ dispenser, so you think it’s, like, so easy. You realize it’s not as easy as you might think. … It was really hard to show what I was going through. I feel like I’m helping a lot of people, but I’m still figuring it out for myself. I do appreciate Kim pushing me to (visit the clinic), because I was kind of like, ‘I just don’t want to know.’ You do have to know. Kim made a good point: ‘You can’t run from your problem.’ So it’s better to know what’s going on.”

Enjoy the pictures of Khloe and Kourtney Kardashian spotted in New York City (September 15).