London, June 12 (IANS) Hollywood actress Angelina Jolie, who is pregnant for the second time, says she was stunned when she discovered she was expecting twins and that the addition to her growing family will be a challenge — therefore, she has asked her partner Brad Pitt’s parents to standby as potential caregivers. Contactmusic.com reports Jolie as saying: “We weren’t expecting twins… but we like a challenge. Brad’s mom and dad are on standby to come out to France and help.”

The twins will expand Jolie and Pitts’ brood of adopted and natural kids from four to six overnight but the actress is determined to make sure her other kids are included in the twins’ life from day one.

“They’re old enough to feel included, to change diapers themselves, to feed bottles themselves. We’re trying to find ways where it can be a fun group thing… Everybody gets special time.”

Jolie is expected to give birth to the twins at an exclusive Provence wine estate she and Pitt have hired for the summer.