Robin Williams has tied the knot for a third time.

The 60-year-old actor got married to Susan Schneider at the Meadowood Resort in Napa Valley, California, on Sunday (23.10.11), which saw George Lucas, Billy Crystal and Steve Spielberg in attendance.

Robin's daughter Zelda tweeted details of the wedding while the nuptials were happening, writing: "Let the wedding Madness begin! Dad just called @RobertKazinsky and @ShannonCollis my hetero-lifemates at the wedding. Now everyone thinks I'm a redhead polygamist ... The wedding festivities rage on but my tired feet are done. Think it's time to lay in the tub, eat m&m's and write. (sic)"

She has since taken to her twitter account again to congratulate her father on his nuptials, describing it as a "lovely" day.

She wrote: "I'm really happy for my father, and wish him all the best. The wedding was lovely. Now, let's keep things positive :) Onwards!"

Robin's first wife was Valerie Velardi, who he had son, Zachary, 28, with during their 10-year marriage before they divorced in 1988.

He later wed Marsha Garces and they had two kids, Zelda and Cody, 19, together - but their split was legally confirmed last year.