Band members Mark Owen and Robbie Williams have reportedly spent some of their earning on art pieces, including graffiti painting and sculptures.
A source told The Sun: "Mark bought a painting by a London street artist called Bambi. It's of an 80-year-old woman called Mrs Welsh who is a character in a trendy part of London.
"Mark is really into urban art and has some other pieces from top UK talent. He's become a serious collector."
Meanwhile, Williams has allegedly commissioned a sculptor to create a statue of his wife Ayda for their garden in Los Angeles.
The source added: "Robbie likes the idea of a tour of his gardens telling the story of his life since moving to LA. Ayda is a big part of that, along with his reunion with the band.
"It's a wacky idea but, knowing Rob, will be something he gets stuck into. He's even thinking of having copies of their dogs made. Some people have garden gnomes, Robbie wants copies of his real-life family."
It was previously reported that Williams has also kept the giant robot named Om from Take That's summer stadium tour for his garden too.
Take That grossed $224m (£145m) and sold over 2.14 million tickets during their 35-date 'Progress' tour last year.
Watch the official trailer for Take That's Progress Live DVD below: