Michelle Williams  turns 33 today, and we're highlighting some of her happiest personal and professional moments in celebration. Michelle has had a fantastic year; she's about to make her Broadway debut in Cabaret , shortly after her role as Glinda in Oz The Great and Powerful. Michelle's also been hitting it big in the fashion world, gracing the cover of Vogue and kicking off a new campaign for Louis Vuitton .
Michelle made it big on TV in the '90s with a role on Dawson's Creek, and has since gone on to star in numerous films like Brokeback Mountain, Blue Valentine, and many more. It was through work that Michelle met her best friend, Busy Philipps, and her longtime love, the late Heath Ledger . More recently, Michelle has been romantically involved with Jason Segel , and though their relationship ended in February, Michelle has seemingly moved on to new beau, Dustin Yellin . In any event, we're celebrating another year with Michelle by looking back at some of her happiest moments!
Michelle Williams  wore a tuxedo jacket at the Kate Young for Target Launch in NYC in April, 2013.
Michelle Williams  was all smiles at the European premiere of Oz the Great and Powerful in London in February 2013.
Michelle Williams  gracefully accepted an award at the February 2012 Film Independent Spirit Awards in LA.
Michelle Williams  posed with costars James Franco  and Mila Kunis  at the Moscow premiere of Oz the Great and Powerful in February 2013.
Michelle Williams , James Franco , and Mila Kunis  attended the Moscow premiere of Oz the Great and Powerful in February 2013.
Michelle Williams  was all smiles and waves at Comic-Con 2012 in San Diego.
Best friends Michelle Williams  and Busy Philipps posed together at the 2012 Vanity Fair Oscar Party in LA.
Michelle Williams  and James Van der Beek  attended MTV's Rock n' Jock Baseball game in Jan. 1998.
Michelle Williams  and Busy Philipps paired up at the 2012 Film Independent Spirit Awards in LA.
Seth Rogen  and Michelle took a rickshaw ride together in August of 2010 while filming Take This Waltz on location.
Michelle Williams  couldn't hide her happiness with director boyfriend Cary Fukunaga in June, 2011!
Blue Valentine costars Ryan Gosling  and Michelle Williams  shared a hug at their Cannes Film Festival afterparty in May of 2010.
Michelle Williams  transformed into Marilyn Monroe for her upcoming My Week With Marilyn.
Michelle Williams  stepped out at the UK premiere of Oz the Great and Powerful in February 2012.
Michelle Williams 's beautiful Vera Wang  gown stole the show at the March, 2006 Oscars.
Michelle Williams  and Heath Ledger  were all smiles at the December, 2005 NYC premiere of Brokeback Mountain.
Michelle Williams  went to the Women In Film Lucy Awards in September of 2000.
Michelle Williams  wore an adorable outfit at the 2012 Film Independent Spirit Awards in LA.
Michelle Williams  teamed up with Spike Jonze and Catherine Keener in France in May of 2008 at the Cannes Film Festival.
Heath Ledger  and Michelle Williams  brought their PDA to the red carpet during a January, 2006 Brokeback Mountain premiere in Australia.
Michelle Williams  had to run to catch up with Matilda outside their favorite Brooklyn coffee shop in August, 2008.
Best friends Busy Philipps and Michelle Williams  went shopping together in 2006 in LA.
Michelle Williams  and young Matilda played on the London set of Incendiary during March 2007.
Michelle Williams  shared a sweet NYC moment with her daughter Matilda during the Summer of 2008.
The cast of Brokeback Mountain, Jake Gyllenhaal , Anne Hathaway , Michelle Williams , and Heath Ledger , saddled up and headed north for 2005's Toronto International Film Festival.
Busy Philipps joined Michelle Williams  at a Golden Globes afterparty thrown by the Weinstein Company in January 2011.
Ryan Gosling  greeted Michelle Williams  with a sweet kiss during a January 2010 Sundance Film Festival party.