Nicole Kidman and Keith Urban are undoubtedly nothing but supportive of one another's careers, but that doesn't mean their busy schedules don't cause some difficult moments in their marriage.MORE: Nicole Kidman & Keith Urban issue emotional statement after death of Olivia Newton-JohnThis year is an extra busy one for the couple, as Keith is on tour across the world until the very end of the year, and Nicole has several projects in production. However, the two appear to be nothing but capable about making things work, and they've just had a heartfelt reunion following their busy months, and it is as sweet as it gets.Despite their packed itinerary, the couple found a moment to spend some quality time together, and did it the best way they know how, by surprising fans on stage in the middle of one of the country singer's concerts.WATCH: Keith opens up about his marriage to NicoleMORE: Nicole Kidman returns as AMC spokesperson following viral commercial - detailsNicole took to Instagram Stories to share with fans the heartfelt and romantic moment, with a black and white video of themselves embracing one another on stage.The video sees her husband taking a step back from the microphone as his wife – sporting a chic and billowing off-the-shoulder dress – walked over to him and they tightly wrapped their arms around each other.As the singer is seen smiling ear to ear, the crowd is heard immediately erupting in cheers and applause over the delightful surprise appearance.