Are Selena and Vanessa feuding?

Did Selena and Vanessa just go from close buds to serious rivals? Apparently, Vanessa was upset that Selena's been more successful and has booked more acting roles lately, and Vanessa blamed it on the fact that dating Justin for so long had given Sel an unfair edge. But turns out, this is totally false! "They've become even closer friends lately," an insider spills.