More and more pampered pooches are being handed in to animal homes because owners can't cope with their bad behaviour.
Battersea Dogs and Cats Home in London says they're worried with this trend - they've seen a 40 per cent rise in the number of these dogs coming through their doors this year.
It's not unusual to see celebrities carrying their miniature pets in their handbags or under their arms.
But the pampered lifestyles can mean some dogs develop behavioural problems, such as not being used to walking on the ground or on a lead.
Hayley's been to find out more...