Halle Berry thinks she got pregnant because of her daughter's prayers.

The 47-year-old actress - who has daughter Nahla, six, with former boyfriend Gabriel Aubry and seven-month-old son Maceo with husband Olivier Martinez - thinks it is a miracle she had a second child because she was ''premenopausal'' shortly before she learned she was expecting another baby.

She said: 'I mean, I didn't think it was possible to have another baby and I thought for sure I had a need never to get married again. So, I've learned never to say never.

''Nahla prayed and prayed for him for like a year and a half for a baby and a bunk bed and she got both of those things.

''Only her prayers could have done this I didn't think it was possible at my age, honestly. They call it a geriatric pregnancy.''

''I was, you know, on my way. This is probably way TMI, but I was kinda premenopausal, so to have this happen was huge.''

The 'X-Men: Days of Future Past' star says her daughter dotes on her little brother, and loves nothing better than changing his outfits.

She told talk show host Ellen Degeneres: ''He's like one of her dollies that came to life.

''You know and all she wants to do is change his clothes. Like she'll purposely like throw something on his shirt and say, 'Oh mommy, he's got to change his shirt. He has a mess on him!' She just likes to change his clothes, change his diapers...''