What is happening to my body!? (pics)?

[CrystalR]

Up until this winter I haven't gained weight since I was 14 (I just turned 18). I haven't changed my habits, but from September to Christmas I have put on at least 10-20lbs!

Fall:

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n577880122_724627_9701.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n577880122_725243_4815.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n511687899_327505_7160.jpg

Christmas:

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n577880122_5281687_9364.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n672934539_1776107_315.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n505020923_1183114_5165.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n725951740_1213058_7067.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n511687899_366262_4494.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch/?action=view&current=n505020923_1029761_828.jpg

http://s483.photobucket.com/albums/rr192/abacus_finch
/?action=view&current=n527065226_2463440_3027.jpg