It may be cold outside in Chicago, but sexy singer Jason Derulo can’t keep his shirt on. He’s got a Number 1 single and is on tour with Lady Gaga while video blogging exclusively for RadarOnline.com. Jason’s a busy guy, but he took the time to shoot this exclusive footage for us during a four-day stop in Chicago
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EXCLUSIVE VIDEO BLOG: Jason Derulo On Tour With Lady GaGa
