Kim Kardashian Thursday weighed in on sister Kourtney’s recently-announced pregnancy by tweeting:  “good luck [sisters] today on your big long day of press…not gonna lie, feels weird 2 not be there w u guys:( “

EXCLUSIVE VIDEO INTERVIEW: Kourtney Kardashian –One Day Before Revealing She’s Pregnant; Was She Dropping Hints?

The reality TV princess then informed Twitter nation of her Thursday morning plans: “Gym time! Feels good to get up before 6am & hit the gym!”