Watch Ariana Grande effortlessly perform a hilarious surprise song about being very, very tiny on late night: 'I am a human ...

Ariana Grande vowed to keep it “low ... Grande as she imitated the singer’s hit song ”...Baby One More Time.” She also broke ...

The Oscar-nominated singer/actress also talked about "Wicked" and her intense training to play Glinda on Wednesday's (Feb. 5) ...

Ariana Grande appeared on the latest episode of Smartless and delivered a hilarious imitation while also talking about her ...