February 24, 2009 11:56 pm Oh, Say Can You Sing … Ever wanted to kick-off a sporting event by singing the national anthem? Listen to these patriotic songbirds audition for a guest spot at Dallas’ Lone Star Park horse track. US & World Videos 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 1:59 TikTok's Maddy Baloy dead at 26: Gordon Ramsay and Tay Lautner pay tribute 3:04 Progress being made on demolition of overpass on I-95 in Norwalk