Auckland in New Zealand was one of the first places to celebrate the beginning of 2009 with a massive firework display.
These fireworks were set off near the Sky Tower to mark the beginning of New Year celebrations.
Shortly afterwards a spectacular fireworks show from Sydney Harbour Bridge marked the start of the new year in Australia.
The fireworks were big enough and bright enough to be seen from space!
And it didn't take long for the rest of the world to join in... here's the London fireworks at the London Eye.
And Big Ben was lit up too. Around 400,000 people braved the freezing cold to watch the display in England's capital
The rest of Europe joined in too. Here's some spectacular fireworks over the famous Brandenburg Gate landmark in Berlin, Germany.
Crowds gathered to watch the display over the historic Acropolis Hill in Athens, Greece.
This building was lit up in Hong Kong in China to welcome in the new year
And a huge countdown took place in Taipei in Taiwan before this building showed off the start of 2009
The golden Angel of Independence statue is lit up by fireworks in Mexico
Fireworks explode over the famous Copacabana Beach in Rio de Janeiro
Have the aliens landed? No, it's just some impressive fireworks in Lithuania. This display was created by Gert Hof - one of the most famous artists of lights in the world