The pop superstar has boosted her earnings with her lucrative residency in Sin City, which kicked off in December, 2013, bringing in around $14 million (£8.8 million) throughout 2014, and a court filing obtained by shows Spears has swelled her fortune to just under $46 million (£28.8 million).

The documents also show Spears splashed out nearly $50,000 (£31,250) on her wardrobe throughout 2014, while she also spent just under $20,000 (£12,500) on hair and make-up. Her other expenditures include around $3,000 (£1,875) on Christmas decorations and more than $24,000 (£15,000) spent on pet care.