Clooney and Roberts help Biden raise $30 million-plus at a star-studded Hollywood gala

A campaign fundraising event in Southern California was attended by former President Barack Obama and celebrities like Jimmy Kimmel, Julia Roberts, and George Clooney. The Biden campaign announced it raised $28 million from this star-studded event.

In which city did the fundraising event take place?

Who was among the attendees at the fundraiser in Los Angeles?

Who was the former president that attended the fundraiser?

Name at least two celebrities who attended the fundraiser.

What was the total amount raised by the Biden campaign from the fundraiser?