Demi Lovato
Demetria Devonne Lovato began performing as a child on Barney & Friends and became a Disney Channel star through Camp Rock and Sonny with a Chance before launching a recording career in 2008 with the pop-rock album 'Don't Forget.' Across the 2010s she built a reputation as one of mainstream pop's foremost power vocalists, pairing big-belt ballads like 'Skyscraper' and 'Stone Cold' with brash uptempo singles such as 'Heart Attack' and 'Sorry Not Sorry.' Openly candid about mental health and addiction, she has framed her music as a vehicle for vulnerability and defiance in equal measure.
Lovato has frequently cited Aguilera as one of her major vocal influences, and Aguilera's raw, melisma-heavy belting is the clearest template for Lovato's own vulnerability-forward ballads, which favor big dynamic swings and a cracked, wide-open full voice at the peaks.
listen forThrow on Aguilera's 'Hurt' and then Lovato's 'Stone Cold' — both strip back to sparse piano and a trembling, low-register verse before the singer tears open into a raw, near-breaking belt at the chorus.
Lovato has named Houston among the power vocalists she most respects, and Houston's model of a gospel-rooted ballad that stays controlled before opening into a soaring, sustained climax runs directly through Lovato's empowerment anthems.
listen forPlay Houston's 'I Have Nothing' into Lovato's 'Skyscraper' — both hold a hushed, restrained opening and then climb into a big, held-note climax that lets a single sustained vowel crest over the arrangement.
Lovato has cited Franklin among her influences, and Franklin's gospel-schooled soul phrasing and self-possessed, defiant attitude surface when Lovato leans into her more up-tempo soul-pop rather than the piano ballads.
listen forCue Franklin's 'Respect' beside Lovato's 'Sorry Not Sorry' — both ride a gospel-piano-and-handclap strut and turn an unbothered, self-possessed kiss-off into the hook, punched home by call-and-response backing vocals.