Charlie Sheen seems to have a type.  His latest girlfriend is...you guessed it...a [expletive] star.

The sexy blonde who is the current object of Sheen's affection is Brett Rossi, and she's along for the ride on the Anger Management star's vacation in Cabo San Lucas, Mexico.

Rossi, who specializes in lesbian [expletive], has starred in such classics as She Loves My Big Breast 2 and Me and My Girlfriend 3 and 5.

Always up for an adventure, she even went along on Sheen's fishing trip -- he charted a luxury fishing boat -- and posed for countless pics with her new man.