Basically, there's only real bass as an intro and during some random bridge part. And an outro.
The rest is synth, you can play the intro through the whole song though.
G|----------------------------------|
D|----------------------------------|
A|0880880801010010100100121201212012|
E|----------------------------------|
Those are 10s and 12s btw.
During the bridge they add an extra bit at the end;
G|-----------------------------------------------|
D|-----------------------------------------------|
A|08808808010100101001001212012120120151501515015|
E|-----------------------------------------------|
http://www.bootyluvmusic.com/