Kelly Clarkson has no plans to introduce her children to one infamous chapter of her career. During her final Las Vegas concert on Saturday, the 44-year-old singer revealed that she has banned daughter River Rose, 12, and son Remington, 10, from watching her 2003 musical comedy, “From Justin to Kelly.” “Well, it’s an Oscar-worthy number, and it’s called ‘From Justin to Kelly,’” Clarkson joked, according to a video obtained by Us Weekly, before explaining her participation in two words: “Contractually obligated.” “Man, read the f—ing fine print, you know,” she told the crowd. “I didn’t know that if you won, you had to do a movie. Not all of…
