Video: Woman's reaction to becoming a grandmother goes viral

The moment when a woman finds out she is going to become a grandmother for the first time.

A video of a woman finding out that she is going to become a grandmother for the first time has become an internet hit.

When she discovers the news, the grandmother-to-be throws her hands up in the air and cries out ecstatically "We're having a baby!" before bursting into tears.

So far the YouTube clip has had over 190,000 views.