People often wonder how the rich and famous could possibly suffer depressions, but the fact that they do clearly proves that depression often results from a chemical imbalance in the brain. Many of the people on this list had everything they could possibly want, but they still suffered bouts of depression. Everyone on this list had their depression confirmed in one way or another, be it through biography, interview, or some other manner. On to the list:

Ansel AdamsPhotographer

John Adams2nd President of the United States

Drew BarrymoreActress, “ET”, “Charlie’s Angels”

Maurice BenardActor, “General Hospital”

Mary Kay BergmanVoice over actress, “South Park”, committed suicide in 1999

Halle BerryActress, “Monster’s Ball”, “Catwoman”

Lorena BobbittCut off her husband’s penis

Lorraine BraccoActress, “Sopranos”

Terry BradshawFormer Pittsburgh Steelers quarterback

Zach BraffActor, “Scrubs”

Russell BrandActor, Comedian, “Forgetting Sarah Marshall”

Issac Brock“Modest Mouse” frontman

Delta BurkeActress, “Designing Women”

Barbara BushWife of former President George H.W. Bush

Melanie CFormer “Spice Girl” -”Sporty Spice”

Truman CapoteAuthor, “Breakfast at Tiffany’s”

Drew CareyActor, “Drew Carey Show”, “Price Is Right” host

Karen CarpenterSinger, “The Carpenters”

Jim CarreyActor, “Ace Ventura”, “Eternal Sunshine of the Spotless Mind”

Helena Bonham CarterActress, “Fight Club”, “Sweeney Todd”

Mark David ChapmanAssassinated John Lennon

Seung-Hui ChoKilled 32 people and himself at Virginia Tech in 2007

Frederic ChopinClassical music composer

Christine ChubbuckTV news reporter, committed suicide during a live broadcast

Winston ChurchillFormer Prime Minister of the UK

Grover Cleveland22nd and 24th President of the United States

Kurt CobainLead singer of “Nirvana”, committed suicide in 1994

Calvin Coolidge30th President of the United States

Sheryl CrowSinger, “All I Wanna Do”

Adrianne CurryModel/actress, “Surreal Life- Season 4″

Rodney DangerfieldActor, comedian, “Caddyshack”

Bobby DarinSinger, “Splish Splash”

Charles DarwinEnglish naturalist, came up with the theory of evolution

Ellen DeGeneresComedian, talk show host

John DenverFolk singer-songwriter, “Rocky Mountain High”

Princess Diana1st wife of Prince Charles, known for her charity work

Charles DickensNovelist, “A Christmas Carol”

Emily DickinsonPoet, she published fewer than a dozen of her nearly 1,800 poems

Micky DolenzDrummer for the “Monkees”

Kirsten DunstActress, “Bring It On”, “Spider-Man” film series

Queen Elizabeth IIQueen of England

Colin FarrellActor, “Alexander”, “Miami Vice”

Dodi Al-FayedFilm producer, Princess Diana’s boyfriend

Betty FordFormer first lady, founder of the Betty Ford Center

Harrison FordActor, “Indiana Jones” movie series

Jaimee FoxworthActress, “Family Matters”

Dennis FranzActor, “NYPD Blue”

Greta GarboSilent film actress, “The Temptress”

Judy GarlandActress, “Wizard of Oz”

Janeane GarofaloActress, stand-up comedian, “The Truth About Cats & Dogs”

Click here for Depressed? 135 Famous People Who Struggled With Depression: 51-100