kris-cav-engaged-again-230.jpgSecond time's the charm?

After calling off their three-month engagement back in July, Kristin Cavallari and Jay Cutler are engaged again! "Kristin is over the moon with happiness," a source tells Life & Style. "She's already told her friends that the engagement is back on. They haven't set a new date yet."

After approximately 6 months of dating, Jay proposed while the lovebirds were on vacation in Mexico last April, but they split due to their busy work schedules. Kristin and Jay rekindled their romance when she began competing on Dancing With the Stars in September, so it seems like she'll get to have her dream wedding after all!

UPDATE: Kristin is NOT engaged! She tweeted today, "New week new rumor. I'm not engaged u guys."