Meghan intro, e.g. Dear Future Husband
Britney/Backstreet vibes in the verses, those Max Martin synths and the melody
Destiny's Child in the "to the no no no" hook and the way the harmonies develop
Ariana Grande in the pre-chorus, how the vocal and instrumental melody keep climbing up (Just like Problem and Focus). Also like those 2 songs by reverting back to the pre-chorus instead of a real bridge and putting in that stupid gap before the final chorus