Love it or hate it: The onesie became the biggest, bizarrest fashion statement of 2013.
Thanks in part to Miley Cyrus' infamous twerk video, the trend exploded in the celebri-verse this year -- with everyone from One Direction to Katy Perry to Beyonce proudly rocking them. Awhile it might not be the most chic trend, it's certainly the most comfortable.
So is this pajamas-as-regular-clothes trend an embarrassing fad or is it here to stay? Allow Chelsea to break it down for you in the latest episode of WTF!