Newborn baby girl was delivered via surrogate and became a sister to Lucas' adopted children, Amanda, 32; Katie, 25; and Jett, 20.
Lucas’ wife, Mellody Hobson is the president of Chicago-based Ariel Investments and chairman of DreamWorks Animation. She's also a financial contributor with CBS.
Couple were married on June, 22.
Voice of Russia, Huffington Post, Hollywood Reporter