A 30-year-old woman who was unaware she was pregnant gave birth at a friend’s costume party, BBC News reported on Tuesday.

Ally Ashwell of Newcastle, England, was bar-hopping — in a bumblebee costume — when she began to feel sick.

She returned to her hotel room to find she was in labor, and the contractions came so fast she was forced to deliver in the hotel.

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Ashwell’s baby, Owen, was born prematurely at 26 weeks, but doctors at the Lancashire hospital where he is being cared for are optimistic about his future.

"It is very unusual for a baby to be born in this situation," a spokesman for Blackpool Victoria Hospital told BBC News. "I think Owen surprised us all by the progress he has made."

Click here to read the full story from BBC News and to see a picture of Ashwell and Owen.