These dungarees are pretty much the best thing EVER. They were from ASOS in the sale last year. They're not perfect and they sag out a bit much after I've worn them for a day, but they're comfortable and optimum lazy day attire.
T-shirt, ASOS, £10-ish
Dungarees, ASOS, £20
Knock off converse, £10
Necklace, Tatty Devine, gifted
Hoops, Primark, £1.50