Britney Spears complained to her first husband that her current boyfriend beat her ... this according to Star magazine.
According to the mag, Jason Alexander secretly taped Britney when she called him on October 10, complaining about Jason Trawick. Jason says Britney "...told me that he hit her so hard it gave her a black eye." Alexander adds, "She said she couldn't even leave the house for a week because of the bruising."
In the secretly recorded tape, Jason says, "I thought he proposed to you or something at the beach."
The woman purported to be Britney responds, "Before or after he beat on me."
The tape also references Britney allegedly saying, "My dad has a shotgun and he's just waiting to use it."
Trawick could not be immediately reached for comment.