Brooke Mueller -- I've Already Won the War ... Charlie Sheen Will Pay Out His Ass

Brooke Mueller -- I've Already Won the War ... Charlie Sheen Will Pay Out His Ass

Brooke Mueller is quietly smiling to herself -- because she believes she's already won her custody battle against Charlie Sheen ... all thanks to his self-sabotaging rants ... and it's gonna cost him big.Sources close to Brooke tell TMZ, they…

TMZ.com