Grown-up baby gros - BBC Breakfast tries the 'onesie'
Robbie Williams wears them on planes, Rhianna to the music studio and Justin Bieber wears them out and about.
There's a whole new craze for comfortable "onesies", but should baby gros for big people stay firmly in the home?
BBC Breakfast spoke to the Daily Mirror's fashion editor Amber Graafland and comedian Jessica Fostekew, while Mike Bushell tried one on for size...