Vanessa Minnillo to exit?

Vanessa Minnillo is ankling from MTV's TRL show, a source tells. Vanessa will not renew her contract, which expires in April. "MTV wants her out," said another insider. Other sources say continuous rumors of the show's demise and Minnillo's other high-wattage opportuni ties are driving her away from the network. Reps for MTV in sist, "TRL has not been canceled." Should TRL live past April, our tipsters peg Susie Castillo as Minnillo's most likely replacement. Reps for MTV and Minnillo had no comment on her contract.