Has Cosmo helped you ask for a raise, get a better boyfriend, or just score a hot pair of shoes?
Tell us how Cosmo has changed your life and you could win $1000 and be featured on our Facebook page.
To enter, tweet @cosmopolitan your #cosmoeffect (include a photo if you have one!) or fill out the entry form below
Cosmopolitan started a revolution that changed the world, telling women everywhere to live life to its fullest. That's the Cosmo Effect.
To purchase Dragonette's "Let It Go," please visit iTunes or www.dragonette.com.