The 37-year-old Keeping Up with the Kardashians star stepped out for the event held at Boulevard3 on Monday in Hollywood.
She wore a long black dress that showed off her curves, along with a pair of bedazzled sandals.
She was spotted snapping a selfie with Marina using her Kimoji-covered light-up phone case.
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00:21, March 17
The voice kids Russia: 10-year-old Sarah Abrahamyan passes to 2nd stage