Ariana Grande absolutely slayed ... the slightest to see her in this completely cutout blue gown! We love her dress -- do you? Ariana Grande, 22, is the star of the show at the 2016 Billboard ...

Ariana Grande has a lot to celebrate right now ... The Broadway Musical actor opted for a multi-colored striped sweater, blue ...

Ariana Grande stuns in a blue minidress with platform heels, bringing in millions of likes and comments from her adoring fans. ... Ariana Grande’s stunning mini dress and platform heel combo .

Most people know Ariana Grande ... a pair of over-the-knee blue-grey boots. Chip Somodevilla/Getty Images News/Getty Images While Grande seems to have only worn the dress and boot combo twice ...