Happy birthday, Lena Dunham! The actress, filmmaker, and writer turns 27 today, closing out another highly successful year of her relatively young life. The creator and star of the Golden Globe Award-winning HBO show Girls signed a $3.5 million book deal last year, and she uses her popularity for good, participating in political ads last election and fundraising for mental health causes. Lena has also shown her refreshingly fearless and bare-it-all personality, literally baring it all in her countless nude and sex scenes as Hannah Horvath on Girls and speaking out about body image and her struggles with obsessive compulsive disorder. Both Lena and her alter ego Hannah have a lot to say on what it's like being a 20-something woman in today's world. So we're looking at some of Hannah's best moments and lines to illustrate how to survive your 20s with some cupcakes, dancing, and self-reflection.