Helena Bonham Carter and Tim Burton Expecting Second Child Together

Helena Bonham Carter is pregnant again.

The 41-year-old actress and her partner, Tim Burton, are expecting their second child together, her publicist, Karon Maskill, said Thursday. No other details were provided.

The couple have a 3-year-old son, Billy Raymond.

Bonham Carter stars as evil witch Bellatrix Lestrange in "Harry Potter and the Order of the Phoenix," the fifth film adapted from J.K. Rowling's wizarding saga.

She and Burton met during the filming of 2001's "Planet of the Apes." She has also worked with the 48-year-old director in "Big Fish," "Charlie and the Chocolate Factory," the animated "Corpse Bride" and the upcoming "Sweeney Todd: The Demon Barber of Fleet Street," co-starring Johnny Depp.

Burton has also directed "Edward Scissorhands," "Ed Wood" and "Beetle Juice."