Norwegian pair, Maddie pictured and Ingvild, both 23, said they love the cheeky G-string style, principally for the amazing tan it gives their entire bodies - Maddie said she thought if you were 14 you shouldn't wear them, but for adults it's fine Maddie Mathiesen, 23, and Ingvild Kjeldsen, 23 Norwegian pair, Maddie and Ingvild, both 23, said they love the cheeky G-string style, principally for the amazing tan it gives their entire bodies: 'I think it looks so much better,' Maddie said.