"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,

"Dating can be very difficult, which is why I don’t," Clarkson told the crowd, according to a video shared to TikTok.

“I will say, I'm not not looking and I'm not looking,” she said. “I'm very busy. You get this as a mom. I've got to focus right now. There's a lot of work.”