PERSON@1 -LRB- born September NUMBER@1 , NUMBER@2 -RRB- , best known mononymously as PERSON@2 -LRB- -RRB- , is an MISC@1 singer , songwriter , record producer , dancer , choregrapher , video director , actress and model .

PERSON@1 -LRB- born September NUMBER@1 , NUMBER@2 -RRB- is an MISC@2 singer and actress .
