Christina Aguilera / Demi Lovato May 24, 2018 by SMF · Published May 24, 2018 · Last modified September 10, 2020 Meaning of “Fall in Line” by Christina Aguilera (featuring Demi Lovato) “Fall in Line” is a song performed by American singer and songwriter Christina Aguilera. The song also features the guest vocals of fellow American singer Demi Lovato. The lyrics of “Fall in Line” focus...