See All the Pictures from PEOPLE's iHeartRadio Music Awards Photo Booth
The host of the iHeartRadio Music Awards, who performed his latest single "If It Ain't Live" onstage, smiles wide.
The Vampire Diaries star knows how to bring the drama – and whips out a smize that would make Tyra Banks proud.
Showing off his award for "Latin Song of the Year," the "El Perdén" singer has a lot to grin about.
The rapper won Best New Artist, beating out a competitive group that included Hozier, Tove Lo and Shawn Mendes.
Warren's collaboration with Lady Gaga for the movie The Hunting Ground – "Til It Happens To You" – was nominated for Best Song From a Movie.