Kelly Clarkson has officially broken away from her talk show. The singer bid goodbye to the “Kelly Clarkson Show” host on Monday after seven years, calling the moment “bittersweet.” The finale featured lengthy “Kelly By Request” where the “American Idol” winner, 44, performed covers — and her latest single, “I’d Be Lyin'” — before she chatted with her children. “My kiddos have always come first, they’re a big reason I did this show, just [for] the stability, the schedule,” Clarkson said of daughter River, 12, and son Remington, 10, who sat in the audience. “They’re also a big reason it’s time to say goodbye,” she added. “I’m such a proud…
