The 38-year-old singer filed for divorce from husband Brandon Blackstock in June, and the exes share two kids together – daughter River Rose, 6, and son Remington Alexander, 4.Kelly Clarkson enjoyed a day at the beach on MondayCredit: BackGridOn Monday, Kelly kept her mind off of "emotional rollercoaster" of a split by spending the final day of summer at the beach with her kids.The Voice coach wore black workout capris, a red long-sleeved shirt, a beige sunhat and a pair of sunglasses while chasing around her daughter and son on the sand.The family splashed around together in the water, played in the sand and ran along the edge of the shining Manhattan Beach water.On Tuesday, Kelly shared on her The Kelly Clarkson Show that one of her kids is back at school while the other is doing virtual learning.