If you wanted to see the biggest names in the entertainment industry, 102.7 KIIS FM's 2012 Wango Tango is where you had to be yesterday.
Vampire Diaries' Kat Graham was on deck, sporting a rock-star hair do and Nicki Minaj hit the stage in a bridal get-up for her portion, performing her hit “Did It On ‘Em.”
Justin Bieber didn't perform but all of his Beliebers showed him love and went wild as he introduced Carly Rae Jepsen.
It looked like a blast in a glass! Check out the Hip-Pop celeb round up in the accompanying gallery!