I learnt this by ear so it might not be 100% correct but it sounds right to me.
VERSE:
e|------------------------|
B|------------------------|
G|--7---------------------|
D|--7-----7----2----9-----|
A|--9-----7----2----9-----|
E|--------5----0----7-----|x4
PRE-CHORUS
e|------------------------|
B|------------------------|
G|------------------------|
D|--4-----4----4-4----7---|
A|--4-----4----4-4----7---|
E|--2-----2----2-2----5---|
CHORUS
e|-------------------------|
B|-------------------------|
G|-------------------------|
D|-2-----9-----11-----7----|
A|-2(x4)-9(x4)-11(x4)-7(x4)|
E|-0-----7-----9------5----|x4
[ Tab from: https://www.guitartabs.cc/tabs/j/jonas_brothers/la_baby_tab.html ]
e|-------------------------|
B|-------------------------|
G|-------------------------|
D|-2-----9-----11-----7----|
A|-2(x4)-9(x4)-11(x4)-7(x2)|
E|-0-----7-----9------5----|
VERSE
PRE-CHORUS
CHORUS
"L.A, L.A, BABY (She's a) L.A, L.A, BABY(You're my) L.A, L.A, BABY(She's a) L.A, L.A"
CHORUS
e|-------------------------|
B|-------------------------|
G|-------------------------|
D|-2-----9-----11-----7----|
A|-2(x4)-9(x4)-11(x4)-7(x4)|
E|-0-----7-----9------5----|x5
e|-------------------------|
B|-------------------------|
G|-------------------------|
D|-2-----9-----11-----7----|
A|-2(x4)-9(x4)-11(x4)-7(x2)|
E|-0-----7-----9------5----|
