HEAT oven to 350ºF.
BEAT first 3 ingredients with mixer until well blended. Pour into 13x9-inch pan sprayed with cooking spray. Bake 35 min. or until toothpick inserted in center comes out clean. Immediately poke deep holes in cake at 1-inch intervals, using handle of wooden spoon.
BEAT pudding mixes and milk in large bowl with whisk 2 min.; pour half into holes in warm cake. Let remaining pudding stand until slighty thickened. Spread over top of cake.
REFRIGERATE 1 hour.