Kelly Clarkson brings 11-year-old daughter River Rose on stage during Las Vegas residency performance Singer's 11-year-old daughter River Rose joins mom to perform 'Heartbeat Song' at Caesars Palace residency Kelly Clarkson had a special guest join her onstage while performing in Las Vegas. During her performance on Friday, July 11, as part of her Studio Sessions residency at The Colosseum at Caesars Palace, the "Since U Been Gone" singer brought out her 11-year-old daughter River Rose to sing with her. The singer posted a photo of the pair standing on stage together on Instagram, which featured Clarkson kneeling down to be eye-level with her daughter, as they touched their heads together. Trending Now Breaking News Latest Updates united states of america