Lady Gaga suffered a concussion in New Zealand yesterday when a prop person hit her in the head with a pipe. If you would like to watch a video replay of this event, click the box below. But she continued on with the show, telling fans: "I want to apologise. I did hit my head and I think I may have concussion but don't you worry, I will finish this show."

Her make-up artist Tara Savelo confirmed on Twitter that she did indeed have concussion. She tweeted: "Gaga has a concussion but she is going to be okay.She wants you to know she loves you. I'm taking care of her.cant believe she finished the show"

Lady Gaga didn't make reference to the bang on the head on her own Twitter feed, but she posted a message about feeling sleepy. She tweeted: "I literally passed out after I sent my jet lag tweet last night. Did you all send me cyber sleepy voodoo?!"

Meanwhile #PrayForGaga was instantly trending - with fans of Lady Gaga sending their well wishes to the star.

Check out the head hitting incident below...