Does any one know why raven symone doesn't hang around that much wit the otha cheetah galz ????????????

coz every tyme the cheetah galz peform any concerts .... raven is not der ... did sumfin' happen or wot ..... u can tel mie wot u think ..pliz!!!!!!!!!! ...... coz 1 of the cheetah galz says she is best frenz wif the other 2 .......