"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,

Kelly Clarkson's 11-year-old daughter, River Rose, shares her mom's love of singing. The mom of two invited River Rose on stage to sing with her during a July 18 show she had at the Colosseum at Caesars Palace, part of her ongoing residency in Las Vegas.

Kelly Clarkson surprised fans at her Studio Sessions residency at The Colosseum at Caesars Palace in Las Vegas on Friday, July 18, with a special guest: her 11-year-old daughter, River Rose. The two performed a duet of 'Heartbeat Song.