Gender reveal FAIL

A funny video has emerged from the United States of a little boy reacting unexpectedly to being told that he's going to have a sister.

In the clip, which was filmed in December, young Chris sits on the ground as his mother gives him a gift to unwrap.

He pulls out an item of baby clothing which has "Little Sister" written on the front.

Chris doesn't really get the hint and when mum spells it out saying that he's going to have a little sister, he holds his head in his hands and says "I wanted a brother!"

Fortunately, Chris's disappointment didn't last long and the video shows some cute photos taken after the baby was born of him bonding with his baby sister.

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