Sound the bells and pop the confetti because America's sexiest sweetheart, Jennifer Aniston, celebrates 44 today!  


Sexier than ever, it's been quite the year for Jen, with her engagement to boyfriend Justin Theroux, and the work that keeps on coming both on and off the camera.  In honor of our favorite friend (see what I did there?),

Here's picture reasons -- that make me love, cherish and adore Jen:

Click Here for all the sexy pics of Jennifer Aniston!