Ariana Grande Performs ‘The Way’ And ‘Problem’ at iHeartRadio Music Awards

Rising star Ariana Grande took to the stage last night (April 1) at the iHeartRadio Music Awards, singing her 2013 debut hit song "The Way" and newest single "Problem."

[Listen to Ariana Grande – Problem Ft. Iggy Azalea]

Even though her respective song partners Mac Miller and Iggy Azalea were absent, Grande commanded the stage on her own (well, with a bunch of background dancers) including a quick wardrobe change from a dowdy sweater dress to a short, sparkly number, and a dance breakdown (which tickled Rihanna, who sat in the audience).

Watch Ariana's sassy performance below: