The 32-year-old Keeping Up With The Kardashians star wore a black silky blouse, which she tied in a knot above her stomach.
Kourtney teamed the blouse with a billowing patterned skirt which fell below her knee as she left the Andaz Hotel in West Hollywood yesterday.
Belly baring: Kourtney Kardashian gives a glimpse of her midriff as she and boyfriend Scott Disick leave the Andaz Hotel in West Hollywood yesterday
Kourtney looked pretty with her long dark hair loose and towering black Louboutin heels.
Flashing the flesh: Kourtney's black buttoned up shirt was tied above her midriff and teamed with a billowing patterned skirt and heels
Low key: Kourtney's boyfriend Scott was ultra casual in a striped sweater, and shorts
There was no sign of tiredness, although Kourtney has been busy recently, promoting her new series of Kourtney & Kim Take New York which premièred on Sunday.
She recently revealed how she finds it difficult to relax while filming the reality show.
Quick getaway: Scott and Kourtney look in sombre mood as they leave The Andaz Hotel
'I was really having a panic attack. When we were driving, it was gridlock traffic, and everywhere I looked, there were just so many people.
'I was just like, there’s nowhere to go. I need a place to go to take a deep breath.
Reality matriarch: Kris Jenner was also filming scenes at the hotel and emerged wearing an all-black ensemble
'I think it’s especially hard because we’re filming too, so even when I’m in my hotel room - which is where people normally can relax - there’s a million people, and crew everywhere. So it was a tough day yesterday.
'When every moment is constantly being filmed, it's hard to relax.'
Today, Kourtney was a little more covered up in a conservative outfit of black jeans, T-shirt and white cardigan as she shopped in Sherman Oaks
Covered up: Kourtney wore a more conservative outfit of black jeans, T-shirt and white cardigan as she shopped in Sherman Oaks