Lady Gaga was once accidentally hit her head on a pole

Lady Gaga was once accidentally hit her head on a pole during her concert in New Zealand (2012).

That she was singing her song "Judas". 

According to Rolling Stone, she then told the audience, "I want to apologize. I did hit my head and I think I may have a concussion but don't you worry I will finish this show." 

After that, she manage to sing another 16 songs.

She showed her bruised face on Twitter and told her fans about her recovery, "Thank you so much for all the thoughtful messages. I feel a bit woozy but a little better every day."