The Most Important Item In Your Make Up Bag

Source - The Big Bang Theory - 424 - The Roommate Transmogrification

Girls, get your pen and paper as you might need to write this down (as if). 

According to Tyra Banks, yep, the real Tyra Banks, the most important item in your make up bag is not your lipstick, neither your foundation, nor your lip-gloss nor your mascara but, it is, a good night's sleep!!  

.