They exchanged vows at the Peninsula Hotel in Chicago.
The guest list had fellow movie director Ron Howard and actor Samuel L. Jackson, reports femalefirst.co.uk.
After the wedding, Jackson took to Twitter and posted: "Let's give a Galactic shout out to Master George Lucas and his bride Melody on this their wedding day!! Congrats!."
Even Howard congratulated the newlyweds on his Twitter page.
He tweeted: "George Lucas Melody Hobson wedding was joy to behold Bill Moyers service was beautiful, nothing short of profound. Congrats Mr. and Mrs. Lucas (sic."
Lucas, who also has three adopted children, and businesswoman Hobson, 44, met in 2006 and got engaged in January this year.
--IANS (Posted on 25-06-2013)