Even celebrities aren’t disciplined health nuts all the time – here are some who used 2013 to get in shape:

photo: People – Splash News Online

photo: People – Splash News Online
Christina Aguilera

photo: People – Steve Granitz – WireImage

photo: Snooki – Steve Granitz – WireImage
Snooki
Rob Kardashian

photo: People – Jon Kopaloff – Film Magic
Miranda Lambert

photo: People – Michael N. Todaro – Film Magic
Jason Segel



