Watch Fat Friends Season 3 in Australia

It's Christmas Eve, and the Count with Carol gang are appearing live on Trisha to debate the pros and cons of dieting - but the talk turns to something altogether more interesting when Betty inadvertently blurts out to the entire viewing nation that she has a secret son. To add to her problems, she also discovers that husband Douglas hasn't been entirely honest about the family's income. Little does she know, however, that her TV appearance will bring her an unexpected gift - one she's been waiting for most of her life.

Things go from bad to worse for Kelly. Still trying to deal with the news of her mum's past, problems start to occur in her marriage resulting in her sleeping with her husband, Kevin's gay brother and when all is revealed things get even worse for Kelly especially when Kelly finds out she's pregnant but the main question is who is the father?

Carol faces problems this week when she realises she has fallen for fitness instructor Max which ends up causing problems with her teenage son.

Lauren has the chance to make all her acting dreams come true - but at the price of losing everything and everybody that matters. Can she get back her friends when she needs them most?

Rebecca decides it is time to leave home. Her boyfriend Sean is keen to help with the move, but her break for independence is short-lived when tragedy strikes and Norma needs support.

In the final episode of the 3rd series Jamie's love life picks up when he falls for a beautiful woman who falls for him too but when obstacles fall in their place like the fact she has a daughter and an ex-prisoner ex-boyfriend will things turn out for the best for the Jamie. The gang also head back to the Trisha show for their final weigh in while Jamie provides the food, Kelly gives birth to a baby boy.