For Belz, take I-4 East to exit 30A (Universal Studios). At the end of the exit ramp, make a right and get into the left lane. At the light, turn left, this is International Drive. Follow it for a couple miles until you see Belz Factory Outlet (not Designer Outlet). There is one store in mall one and one in mall two (Character Warehouse & Character Premier).
For the Premium Outlets, go past Downtown Disney & make a right onto Hotel Blvd. At the end, turn right, this is 535 (Crossroads Shopping Center is straight across). Get in the left lane and turn left at the light, right after the I-4 overpass (Vineland Road). Follow it for a mile or two, it's right after the Shrine Church. Park in the middle section of the lot, the store is through the food court (Character Premier).