The star rocked a ripped-up T-shirt dress for her night out.
Chrissy Teigen and John Legend were also in attendance.
She was joined by her sister Kourtney Kardashian and pal Jonathan Cheban.
Her decorations were to die for!
The star was chatting via satelite with Australia's 'Today.'
SO awkward!
She also spoke about Kim's 36th birthday on Friday.
A source close to production tells ET the reality show is back to filming after Kim's scary robbery in Paris.
Kourtney's ex has never been away from her and their children for this long.
The father of three admits he feels "kind of anxious" when his family is away.
ET observed tons of security at Khloe's event, including police officers and privacy barricades.
Khloe's new brand launches this week!
Peterson has worked with the Kardashians.
The future sister-in-laws appear to be on great terms during their fun-filled outing.