If you had your doubts about whether or not Ariana Grande was talented, now's probably the time to, um, not. Ariana won the award for New Artist Of The Year at last night's American Music Awards, which everybody probably agreed was well deserved after Ariana performed her song, "Tattooed Heart," at the show. Lady Gaga even gave her a standing ovation! Relive Ariana's performance in the video above, plus, find out which of Ariana's celebrity BFFs tweeted their congrats!
Want OK! each day? Sign up here!