<Tr> <Td> Ireland (IRMA) </Td> <Td> 5 </Td> </Tr> <Tr> <Td> Italy (FIMI) </Td> <Td> 40 </Td> </Tr> <Tr> <Td> Japan (Japan Hot 100) </Td> <Td> </Td> </Tr> <Tr> <Td> New Zealand (Recorded Music NZ) </Td> <Td> </Td> </Tr>

Who sings its a party in the usa