Sen. Barbara BoxerBarbara Levy BoxerBarbara Boxer recounts harassment on Capitol Hill: ‘The entire audience started laughing’ 100 years of the Blue Slip courtesy Four more lawmakers say they’ve been sexually harassed by colleagues in Congress MORE's (D-Calif.) Monday night fundraiser with President Barack ObamaBarack Hussein ObamaPatagonia files suit against Trump cuts to Utah monuments Former Dem Tenn. gov to launch Senate bid: report Eighth Franken accuser comes forward as Dems call for resignation 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.