LOS ANGELES, Sept 15: Whitney Houston’s accidental death in February was voted as the biggest “Oh My Gosh” (OMG!) celebrity headline in the first half of 2012, according to a poll released on Thursday. Parade Magazine and Yahoo! celebrity gossip site omg! teamed up for a 2012 summer pop culture poll and found that Houston’s drowning in a Beverly Hills hotel bathtub was the biggest headline of the year so far, earning 50 percent of votes. (agencies)