The evolution of Robin Thicke continues … TMZ has learned the singer has unloaded $2.4 million on a quiet equestrian compound in Malibu. The 4-bedroom mid-century home is a real change of pace — boasting ocean views, 60 fruit trees, and a 4-stall horse corral … it’s a long ways from the party pad where he and Paula Patton used to live. The new place doesn’t even have a pool. On the other hand, it was recently retrofitted for earthquake safety … so, his insurance premiums will be lower.