Halloween celebrations begin around the world

People around the world are getting into the Halloween spirit and breaking out their best costumes in lead up to the 31 October holiday.

A Thai woman smiles while poses for her friend take a picture with a ghosts costume for Halloween at shopping mall in Bangkok, Thailand.

A Thai woman smiles while poses for her friend take a picture with a ghosts costume for Halloween at shopping mall in Bangkok, Thailand.

The festivities, based on the Gaelic festival of Samhain, are marked in different ways in different places. In Thailand, a young woman takes a photo in a Halloween-themed event at a shopping mall.

Alia Yusuf wears a "Donald Trump" mask before the taping of a Halloween themed television show.

Alia Yusuf wears a "Donald Trump" mask before the taping of a Halloween themed television show. Image by AP Photo/Nick Ut

One of the big costumes in the US this year is presidential candidate Donald Trump, whose face has already sparked the trend of "Trumpkins", which are pumpkins decorated with his face.

Hugh Grant arriving at the Unicef UK Halloween Ball at One Mayfair in London.

Hugh Grant arriving at the Unicef UK Halloween Ball at One Mayfair in London. Image by John Stillwell/PA Wire

Some people have also used the opportunity to dress up for a good cause, with the Unicef UK Halloween Ball in London bringing in celebrities in all kinds of costumes, including Hugh Grant in what appear to be a lion onesie.

In this Oct. 24, 2015 photo, participants in costumes pose for a photo during a Halloween party event in Tokyo.

In this Oct. 24, 2015 photo, participants in costumes pose for a photo during a Halloween party event in Tokyo. Image by AP Photo/Koji Sasahara

In Japan, where Halloween is growing in popularity, the fun isn't just for kids. Adults are getting into the spirit with elaborate costumes and parties.

Rita Ora performimg at the KISS Haunted House Party at The SSE Arena, Wembley.

Rita Ora performimg at the KISS Haunted House Party at The SSE Arena, Wembley. Image by PA Wire

Rita Ora performed at the KISS Haunted House Party in Wembley Arena in London.

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