"Morning tweeties. Waiting for LA to wake up....big news to share," she tweeted Saturday morning.
Burke and Charvet, both 39, have been engaged for five years. They have a 3-year-old son Shaya and 4 ½-year-old daughter Rain. Brooke also has two daughters, Sierra, 9, and Neriah, 11, from her previous marriage to Hollywood dentist Garth Fisher.