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Jim Toth, Reese Witherspoon

After Reese Witherspoon began dating talent agent Jim Toth in early 2010, the two quickly put their relationship on the fast track. By December of that year, the couple had announced they were engaged, and then got married in March of 2011 at Witherspoon’s ranch in Ojai, California. Just a year after that, reports surfaced that the actress was expecting, and they were right: The 36-year-old due any day now. According to Witherspoon, who is divorced from actor Ryan Phillippe – with whom she has two children – Toth had no doubts their marriage would work. "Jim said, ‘I'm gonna show you every day what a good partner is, what a good person is. I'm going to take care of you. I'm gonna do this so much that you're gonna get used to it,'" she said in the February issue of Elle. "I was like, 'What are you talking about?' I've never had anybody like that in my life."

Celebrity couples with short engagements

Blake Lively and Ryan Reynolds surprised fans when they got married over the weekend after dating less than a year. Though we're not exactly sure when Ryan popped the question, their engagement couldn't have been for very long! Check out other celebs who rushed from getting engaged to saying "I do."