Rita Ora lit up the stage Wednesday night at the American Heart Association's Go Red For Women Red Dress Collection concert in New York City.Thrown at Jazz At Lincoln Center, the event is billed as spreading the word about America's most prolific killer of women - heart disease.The 32-year-old pop act lent her musical talents to the occasion by singing up a storm, decked out in an on-theme crimson ensemble.Her midriff-baring ensemble was almost see-through, allowing her to showcase her slender legs as she stalked the stage.Rita was joined by a phalanx of backup performers for her latest gig, which comes on the heels of the release of her latest single You Only Love Me.