Kim Kardashian: Letterman & Date with Kris Humphries

Kim Kardashian wears a sheer dress outside The Ed Sullivan Theater on Tuesday (January 18) in New York City.

The 30-year-old reality star made an appearance on the Late Show with David Letterman with older sis Kourtney to promote their new show Kourtney & Kim Take New York.

“What a flight.@KimKardashian slept soundly next to me while my boob was about to explode with breast milk!I went to the bathroom&squeezed!” Kourtney tweeted.

After the Letterman taping, Kim met up with her basketball player beau Kris Humphries to grab dinner with Kourtney and her boyfriend Scott Disick.

10+ pictures inside of Kim and Kourtney Kardashian in NYC…