There’s no doubt that Michelle Williams was the love of Heath Ledger‘s life.

The couple, who met on the set of Brokeback Mountain in 2004, had a whirlwind romance and welcomed daughter Matilda just one year after meeting.

MORE: Ben Harper Wrote a Lullaby For Heath Ledger’s Daughter Matilda — and It Will Make You Cry!

“We just fell very deeply into one another’s arms,” he told Rolling Stone in 2006 of the unplanned pregnancy. “Our bodies definitely made those decisions for us.’’

The pair would go on to split the following year, but even after his death, Michelle has been candid about their undying love for each other.

heath ledger michelle williams splash

“It’s a strange thing to say, because I’m at heart an optimistic person, but I would say in some ways it just gets worse,” she told Newsweek of her grief. “It’s just that the more time that passes, the more you miss someone. In some ways, it gets worse. That’s what I would say.”

However, Michelle was not the first actress Heath dated since making his Hollywood debut! He also had a high-profile relationship with fellow Aussie actor Naomi Watts.

MORE: See the Cast of ’10 Things I Hate About You’ Today!

The couple reportedly broke up due to the age difference, but Naomi still remembers her ex as one of the great loves of her life.

“We had a beautiful relationship, only a couple of years, but he was a man who was completely full of joy, and there was a lot of laughing and affection,” she told More magazine in 2011. “He was really a very special soul and made a great impact on my life.”

She continued, “And a great actor, but I know there was so much more to come. And it’s such a tragedy for his little daughter.”

MORE: 9 Inspiring Heath Ledger Quotes to Live by — Plus His Heartbreaking Final Words!

Ahead of the premiere of I Am Heath on Wednesday, May 17 at 10 p.m. EST on Spike TV, we are looking back all the women Heath loved.

Click through the gallery below for more celebs you totally forgot Heath dated!