Obamas Help Celebrate “Christmas in Washington” Published December 13, 2010 • Updated on December 13, 2010 at 12:48 pm Stars came out for the annual benefit show. 16 photos 1/16 Getty Images President Barack Obama greets an elf (OK, fine, a kid dressed in an elf costume) as they gather for a group photo with First Lady Michelle Obama at the Christmas In Washington celebration Sunday at the National Building Museum. 2/16 Getty Images The kids represent the lollipop guild. Meanwhile, "Christmas in Washington" is a televised musical program and fundraiser. 3/16 Getty Images Obama prepared to speak, but daughter Malia found something more entertaining offstage. 4/16 Getty Images This year's show will air Sunday, Dec. 20, at 8 p.m. on TNT. 5/16 Getty Images Come back, little one, Christmas is counting on you! 6/16 The Cusco Project Other than the First Family, famous faces included Mariah Carey, Ellen DeGeneres and Maxwell. 7/16 Cortesía TV Martí. Mariah Carey -- whose "All I Want for Christmas Is You" gets stuck in everyone's heads year after year -- performed at the Building Museum. Carey's second Christmas album hit stands this year. 8/16 WireImage Miranda Cosgrove of Nickelodeon's "iCarly" also performed. 9/16 WireImage R&B artist Maxwell took the stage as well. 10/16 WireImage The National Building Museum provides an impressive setting for "Christmas in Washington." 11/16 WireImage Maxwell, Annie Lennox and Andrea Bocelli performed together. 12/16 WireImage Annie Lennox, with a backup choir. Must be nice to always know you have someone behind you. 13/16 Pinal County Sheriff's Office The evening's host, Ellen DeGeneres, was in good spirits. As was everyone else, we presume. 14/16 Telemundo Denver Mariah Carey must be awfully busy this time of year. 15/16 AP The entire first family attended, including grandma Marian Robinson, although we presume she was off hanging out with the elves when this was taken. 16/16 Departamento de Policía de Phoenix President Obama and daughter, Sasha, 9, greeted an especially important visitor together. 0 More Photo Galleries Brag on Your Grad: Celebrating 2020 Graduates in DC, Maryland and Virginia Photos: Protests, Unrest in DC Following George Floyd’s Death Protesters, Enraged by Black Americans Killed, Gather Nationwide NBC4-T44 Friday Fun: Show and Tell!