LOS ANGELES — Marie Osmond fainted onstage during ABC's live broadcast Monday of "Dancing with the Stars" but quickly recovered. Osmond and her partner, dancer Jonathan Roberts, the first performers of the evening, had just finished a samba and were listening to comments from the show's judges when she suddenly toppled. "She was laughing and then sank like a stone. ... Everyone froze," said ABC publicist Amy Astley. As the show cut to a commercial, Osmond started to rise and was helped by others, Astley said. When the show resumed after the break, host Tom Bergeron told the studio audience and TV viewers that Osmond had fainted but was fine. Video: Click here to watch "I want to just quote her exactly. ... The first words out of her mouth when she saw us all leaning over her were, 'Oh, crap,'" Bergeron said. A backstage camera showed Osmond smiling and nodding. The singer, who turned 48 on Oct. 13, was well enough to take part in the next segment, in which she and Roberts...