PERSON@1 -LRB- born December NUMBER@1 , NUMBER@2 -RRB- , professionally known as PERSON@2 , is an MISC@1 pop and R&B singer -- songwriter and actress .

PERSON@3 -LRB- born December NUMBER@1 , NUMBER@2 -RRB- , known by her stage name JoJo , is an MISC@1 singer .
