Gushing over the sweet couple, a confidante revealed:
Ariana Grande & Her Delightful Dimples Wow The World At iHeartRadio! See Her Super Cute Singing HERE!
Baby powerhouse in the house…
First the starlet sang The Way, though sadly without the help of collaborator Mac Miller, and then she sang Problem, though sadly without the help of Iggy Azalea!
Ch-ch-check out her pitch-perfect performances (above)!