Sophie Monk -- If I Was a Lesbian I'd Have Sex With ...

Today, dreams become reality ... 'cause Sophie Monk finally revealed who her lesbian girl crush is, and then said some other stuff, but frankly we stopped listening.

The smokin hot Aussie was out in L.A. Friday ... when we asked about her racy new Angel Champagne billboard ad (below) which features some major girl-on- girl action. One thing led to another and suddenly Monk was talking about getting hot and heavy with a chick in real life.

Why are you still reading this?