Orange alert! JoJo posed a threat in a body-hugging orange dress at the kick-off for the 2011 Do Something Awards at B.B. King Blues Club & Grill in New York City last night. Earlier in the day, the 20-year-old singer performed new material from her upcoming album Jumping Trains for students at the Recording Academy’s GRAMMY U event. Her first single “The Other Chick” will be officially released on iTunes next month.