"My wedding day was the BEST day of my entire life!!!" the actress tweeted on Sunday.
Sims, 38, and Stuber, 42, had a small ceremony Saturday in California's Napa Valley. Some of the guests included her former Las Vegas co-star Josh Duhamel and Fergie. The bride wore Marchesa and jewels by Lorraine Schwartz.
The couple dated for a year and a half before getting engaged in May.