Drew Barrymore is doing her best to keep her head high as her four-year marriage to husband Will Kopelman comes to an end.
"She's disappointed, but she's optimistic for the future," a source tells PEOPLE in this week's cover story.
Despite having a tumultuous childhood growing up in the public eye, Barrymore, 41, never gave up on her dream of finding love.
For more details inside Barrymore and Kopelman's decision to end their marriage, pick up this week's issue of PEOPLE on newsstands Friday
"She's a romantic at heart," says a source close to the actress. "Everyone who knows her knows that is who she is and who she's always been, and that doesn't change."
But even as Barrymore and Kopelman prepare to hash out the details of their divorce, those close to the actress say her resolve to find happiness remains strong.
"She still very much believes in love," adds the source.