Unexpected season 6 is officially here. On Monday, June 3 fans get to meet the five couples appearing on this year’s TLC show. Two couples are returning, but there are three new pairs of parents-to-be to get to know including Kayleigh and Graham who are both 15 years old. The Unexpected season 6 cast also includes Emalee, 18, and Nate, 16, Aniyah, 17, and Dakwon, 17, and returning stars Jenna, 19, and JJ, 20, and Lilly, 22, and Lawrence, 21. While all eyes are on the young couples’ journeys, fans can’t help but wonder about the age gap between Kayleigh’s parents. Unexpected: Kayleigh and Graha…