What a way to open a show!
That's because the 18-year-old kicked off the 2015 Streamys with her very first live performance of her hit song Love Myself!
While she was a little bit pitchy at times, we appreciate the raw quality to her sound because it just proves that she was really singing live. LOLz!!!
Plus, it was adorable seeing her Pitch Perfect 2 co-star Flula dancing around to her track!
Ch-ch-check out Hailee's latest step towards becoming a fully fledged pop star (above)!!!