Both Hailey Rogers and Claire Brown are 13 years old in the movie Aquamarine .
13-year-old best friends Claire Brown ( Emma Roberts ) and Hailey Rogers ( JoJo ) are upset to know that they will be separated in three days as Hailey has to move to Australia because of her mother 's ( Claudia Karvan ) work .
Aquamarine -LRB-film-RRB-