Luke 2:13-14
And suddenly there was with the angel a multitude of the heavenly host, praising God, and saying:
Ephesians 3:10
to the end that the manifold wisdom of God might now be made known, through the church, to the principalities and authorities in the heavenly regions,
Revelation 5:11-14
And I saw, and I heard the voice of many angels round about the throne and the living creatures and the elders; and the number of them was myriads of myriads, and thousands of thousands.
Revelation 7:9
After this I saw, and behold, a great multitude, that no one could number, out of all nations and tribes and peoples and tongues, standing before the throne, and before the Lamb, clothed with white robes, and there were palms in their hands;