Sabrina Carpenter’s Grammy debut was (not very) short but (definitely) sweet.

The “Taste” singer earned two Grammy Awards — best pop solo performance award for “Espresso” and best pop vocal album for Short n’ Sweet. She went into the night’s telecast with best pop solo performance being the first award given out earlier in the day at the Grammys Premiere ceremony. Overall, she had earned six nominations, including the two categories she won, along with best new artist, album of the year, record of the year and song of the year.

Carpenter’s first appearance of the night was in a performance of her two smash hits “Espresso” and “Please Please Please.” Trying to find her spotlight in a quirky bit to kick off the stage performance, the singer channeled old Hollywood for a jazzy version of “Espresso.” Carpenter tore off her black sequined suit look to reveal a baby blue bejeweled bodysuit,...