The electric performances didn't end on stage! From Carrie Underwood to Ludacris, see who tuned into PEOPLE's photo booth
Credit: Denise Truscello for People.com
Updated: Monday May 19, 2014 | 01:00 PM EDT
By: Brooke Showell
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From Billboard Music Awards to bridesmaids? Before they jet off to sister Kim's European wedding, the girls prove they can hold their own in front of PEOPLE's camera Sunday at Las Vegas's MGM Grand Hotel & Casino.
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