At the ages of 9 and 13 , Christine and Sharon joined Brent Street Studios to also study dancing . Soon after joining the school , the girls were invited to join the Brent St. Kids performance troupe and began singing and dancing all over Sydney . It was through this exposure that they attracted the attention of Tina Arena who saw their performance at the Variety Club Heart Awards . Arena mentioned the girls to her now former manager/husband . He later signed them to his management company and new record label in 1997 . After relocating to Melbourne to write their first album , the name Sister2Sister was born . It was at this time Sharon also studied at the Victorian College of Arts . The duo also opened for Britney Spears for 6 dates on her '' Oops ! ... I Did It Again Tour '' in the US
Oops ! ... I Did It Again Tour
Oops!... I Did It Again Tour
Sister2Sister