Kelly Clarkson has had a challenging year, but she’s not letting her struggles steal her holiday cheer.The 38-year-old “Breakaway” singer got real about tackling tough topics with family members during the holidays on a recent episode of The Kelly Clarkson Show — and encouraged her viewers to embrace their differences, not avoid them.“I do Christmas with my dad’s not-so-fun side of the family,” one fan wrote in seeking Clarkson’s advice.