May the force be with them always. George Lucas is engaged to marry his girlfriend of six years, Mellody Hobson. Hobson, 43, is the president of Chicago investment firm Ariel Investments, and also serves on the board of directors for Dreamworks Animation, Estee Lauder, Starbucks, and Groupon. It is the second marriage for the Star Wars creator, who was previously married from 1969 to 1983. Lucas recently sold Lucasfilm and the Star Wars franchise to Disney for $4.05 billion.