Here are what i think the lyrics are hope this helps

Baby baby ba-by
didn’t believe in love at all
went through my days with a wall in place
baby baby ba-by
thought i’d be stronger on my own
but then you came along
and i’m changed

yes i feel the butterflies
yes i go all weak inside
hate to admit it but i’m hit
and i don’t want you to leave my side

used to laugh at romantic films
now i see you and me in them
say cheesy lines like
i’ll be yours if you’ll be mine

this must be love
look what u do to me (what u do)
oh what u do to me (what u do)
can’t get enough
of what u do to me (what u do)
oh what u do to me (what u do)

put your hands up if you feel like this
if your crazy bout a guy and it’s real like this
put your hands up if you feel like this
if your crazy bout a girl and its real like this

baby baby ba-by
i’ve been sprayin your cologne on my clothes
have i gone insane
maybe maybe may-be
i was way to synical
thinkin i would never fall
now i’m cravin

roses used to make me queeze
but from you they smell so sweet
hate to admit it but i’m hit
and i kinda even like your feet

never had a boy get me so
your pictures under my pillow
god you offer silly names
my boo my babycakes

this must be love
look what u do to me (what u do)
oh what u do to me (what u do)
can’t get enough
of what u do to me (what u do)
oh what u do to me (what u do to me)

put your hands up if you feel like this
if your crazy bout a guy and it’s real like this (put your hands up)
put your hands up if you feel like this
if your crazy bout a girl and its real like this (like this)

(i was ashamed) i was ashamed
embarrassed to feel
head over heels
thought love was just fantasy
(but now with you) but now with you
i don’t have to hide
you bring me to life
i never knew ohoh << not sure bout this line

if your crazy bout a guy and you feel like this hey
put your hands up if you feel like this
put your hands up if you feel like this
put your hands up (like this x 8)

this must be love
this must be love
this must be love
look what u do to me (what u do)
oh what u do to me (what u do)
can’t get enough
of what u do to me (what u do)
oh what u do to me (what u do)

put your hands up if you feel like this (hands up if you feel like this)
if your crazy bout a guy and it’s real like this (if you feel like this)
put your hands up if you feel like this (hands up if you feel like this)
if your crazy bout a girl and its real like this (put your hands up)

like this x 5