Stars Remember Corey Haim

Following the news this morning of the death of teen idol Corey Haim, fans and stars logged on to their Twitter accounts to express their sympathies.

Alyssa Milano: "Just woke up to the sad, sad news that Corey Haim passed away. RIP sweet boy," the actress dated Haim from 1987 to 1990.

Ashton Kutcher: "RIP Corey Haim Childhood Hero"

See photos of Corey Haim through the years.

Christina Applegate: "My thoughts go out to Corey's family and friends today. So sad."

Ralph Macchio: "Always so sad and disturbing when the addiction and demon prevail. RIP Corey Haim."

Lisa Ling: "Goodbye Lucas. RIP Corey Haim."