London (PTI): Hollywood heartthrob Brad Pitt compiled a special birthday present for partner Angelina Jolie on Mother's Day.

The Ocean's Eleven actor put together a album containing love notes from their six children along with photos of each of the tiny tots to surprise Jolie who has been busy with her shooting schedule for the upcoming film Salt.

Jolie received poignant letters from her six children, three of whom are adopted, reported Mirror online.

Seven-year-old Maddox was adopted by Jolie from Cambodia while she was still married to actor Billy Bob Thornton in 2003. Pax Thien, 5, and Zahara, 3, were adopted by Pitt and Jolie together from Vietnam and Ethiopia.

The couple also have three biological children, Shiloh, two, and nine-month-old twins Knox and Vivienne.