The bash honored NCIS actress Pauley Perrette for her philanthropic work. Long-time zoo supporter and Greater Los Angeles Zoo Association co-chairman Betty White was also on hand.
Party goers got to stroll through the zoo after-hours for a close up look at the animals.
The event is the zoo's biggest fundraiser of the year. Funds go to the Greater Los Angeles Zoo Association. Nearly 1,000 people attend the party every year, which typically raises more than $1 million.
City News Service contributed to this report.