It’s been a year since Whitney Houston’s tragic passing, and with the Grammys approaching this Sunday, music industry heavyweights are rallying to honor the late singer’s memory. On Thursday night, “omg! Insider’s” Nina Parker met up with Whitney’s “Sparkle” co-star, Jordin Sparks, who spoke candidly about the memory of recording her part of their duet, “Celebrate,” just a week after Whitney died.