WATCH: Kelly Clarkson announces she's pregnant on stage

Kelly Clarkson last night revealed live on-stage that she's expecting her second child with husband Brandon Blackstock!

During her concert at LA's Staples Center, the singer decided to make the announcement to the crowd after struggling to hold back her emotions whilst introducing her song 'Piece by Piece'.

Stopping the introduction short, Clarkson told the crowd: "I was not planning on announcing this...I'm totally pregnant. I'm having a really hard time."

She explained her difficulty to get through the song, which was written for both her father and her husband, "I'm gonna nail the s**t out of this song. That was not how I wanted to announce that...I hate this song right now." Wiping away the tears, she joked "My make-up artist is backstage hating me right now. I just don't want you to think I'm on pills or drunk."

After finally getting through the song, Clarkson said, "I'd like to apologise to my husband. That was not planned. I just didn't want you to think I was crazy or something. Honestly, I'm just so hormonal today...and I haven't vomited yet!. That is a freakin' win y'all!"

The crowd were thrilled to hear the news and helped celebrate the announcement. Clarkson continued the concert with her hit song 'Breakaway'.

After Clarkson added, "I'm so nervous to talk to my husband, we haven't even told our extended family!"

Congratulations Kelly and Brandon! The couple are already parents to daughter River Rose, who is 14 months old.

• Kelly Clarkson
• Pregnant
• Staples Center
• The Buzz