Kelly Clarkson turned her Friday night (July 18) performance at the Colosseum at Caesars Palace into a family affair. During her Studio Sessions residency gig, the talk show host and pop superstar invited 11-year-old daughter River Rose out to join her on stage for a very special duet.

Kelly Clarkson surprised fans in Las Vegas by bringing out her 11-year-old daughter, River Rose, for a sweet duet of 'Heartbeat Song' during the second weekend of her 'Studio Sessions' residency. The mother-daughter duo wore coordinating outfits and had the crowd smiling and singing along.

"Last night we had a very special guest - my daughter River Rose joined us for ‘Heartbeat Song,'" Clarkson wrote on Instagram. "It's her favorite song." River, now 11 years old,