LAS VEGAS, NV - MAY 20: Michael Lockwood (L) and Lisa Marie Presley arrive at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by ... more 
LAS VEGAS, NV - MAY 20: Michael Lockwood (L) and Lisa Marie Presley arrive at the 2012 Billboard Music Awards held at the MGM Grand Garden Arena on May 20, 2012 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images for ABC) less 
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Getty Images | Photo By Frazer Harrison / Getty Images for ABC
Mon, May 21, 2012 12:01 AM EDT