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Carrie Underwood and Mike Fisher have the look of love down [2], but Mike's latest move proves the happy couple have a silly side too. On Saturday, Mike celebrated Carrie's 35th birthday by trolling his wife with a screenshot of her performing on American Idol rocking a throwback hairstyle that might even make the old Carrie cringe. "Happy birthday to an incredible wife and an amazing mom with killer hair!:)" Mike wrote. "All kidding aside you're a blessing to Izzy and I everyday! Love you." The duo tied the knot in 2010 after initially meeting at a meet-and-greet [3]. In 2015, Carrie and Mike became the proud parents to their son, Isaiah Michael [4], and have been in marital bliss ever since. Happy birthday, Carrie!