The star wore a long hot pink dress with spaghetti straps to the musical event.
The dress has a pink-and-yellow patterned bodice.
Ralph styled his outfit with gold statement earrings.
Her makeup featured only a bare lip, and rhinestone-enhanced light blue and smoky eyes.
Ralph also matched her spectacular go well with a brief hot pink manicure.
The actress finished her look with pink Mach & Mach pumps.
The ensemble featured 4-inch heels and pointed toes.
The evening will be a tribute to Lionel Richie with a musical.
The AMAs awards the year's leading achievements in the music industry.