Simpson's separated parents, Tina and Joe Simpson, as well as her fiance Eric Johnson and her younger sister, Ashlee Simpson, also attended the ceremony.
This is the first marriage for Cobb and the second for Faison, who has three children with ex-wife Lisa Askey, and one son from a previous relationship.
Serving as a bridesmaid was none other than Jessica Simpson, who at the time was pregnant with her son Ace.
Simpson posted a picture of Cobb showing off her engagement ring on Twitter.com, alongside the words, "Congratulations, Cacee! " Faison's Scrubs co-star Zach Braff writes, "Congratulations to Donald and Ca Cee on their engagement.
Just wish I was there to run around you both with sparklers." Faison has three children from his marriage to Lisa Askey, as well as a son from a previous relationship.
Jessica Simpson not only has her own wedding to plan -- now she has her best friend's, too.
Ca Cee Cobb, who was once the singer's personal assistant, got engaged to her longtime beau, "Scrubs" star Donald Faison, on Friday, after five years of dating.