New York, NY -- Lindsay Lohan didn't know she had a half-sister until she heard about it on "Good Morning America." She was asked for her reaction to the results of a DNA test her father Michael took that were revealed on Tricia Goddard's talk show. Lohan replied, "I didn't even hear that, so thanks for the news."
When asked about the troubles she's gotten into, Lohan said she "didn't want to get into that." She only wanted to talk about her Lifetime movie "Liz and Dick," where she plays Elizabeth Taylor. Her half-sister Ashley Horn wasn't pleased when she learned that Michael Lohan was her dad and her mom burst into tears when the results were revealed.
When Lohan tried to hug his daughter, she said "No! No! No! and tried to pull away, saying "this is the first time I've met you." Lohan and Kristi Horn hooked up in 1995 when he was still married to Lindsay's mother.