Sen. Barbara BoxerBarbara Levy BoxerKamala Harris endorses Gavin Newsom for California governor Dems face hard choice for State of the Union response Billionaire Steyer to push for Dem House push MORE's (D-Calif.) Monday night fundraiser with President Barack ObamaBarack Hussein ObamaOvernight Energy: Dems ask Pruitt to justify first-class travel | Obama EPA chief says reg rollback won't stand | Ex-adviser expects Trump to eventually rejoin Paris accord Overnight Regulation: Trump to take steps to ban bump stocks | Trump eases rules on insurance sold outside of ObamaCare | FCC to officially rescind net neutrality Thursday | Obama EPA chief: Reg rollback won't stand Ex-US ambassador: Mueller is the one who is tough on Russia MORE has sold out, but her campaign is still offering people a chance to attend.

On the Boxer campaign website, Finance Director Amalia Klien writes on the blog that the campaign has reserved four pairs of tickets and the winners will chosen in an online contest. Contestants have until Sunday night to enter.

Donors had to pay $17,600 a head for the event at  Los Angeles's Natural History Museum, which is a joint fundraising event between Boxer and the Democratic National Committee. Obama will also attend a reception at the California Science Center on Monday, where tickets range from $100 to $2,500.

And, it being a Hollywood fundraiser featuring a popular Democratic president, expect a strong celebrity presence. Singer India.Arie will be performing, according to the blog Wilshire and Washington.

Boxer's campaign announced earlier this week it raised $2.4 million in the first quarter of 2010.

The senator, who faces a tough reelection campaign, will address party faithful at the California Democratic Convention at the Los Angeles Convention Center on Saturday.

Speaker Nancy Pelosi (D-Calif.) will address the group Saturday, as will state Attorney General Jerry Brown, who is running for governor. The lunch speaker is Huffington Post founder Arianna Huffington and the dinner speaker is AFL-CIO president Richard Trumka. The full convention schedule is available here.