'Morning Star' in the Bible

When the morning stars sang togetherAnd all the sons of God (angels) shouted for joy?

So we have the prophetic word made more certain. You do well to pay [close] attention to it as to a lamp shining in a dark place, until the day dawns and light breaks through the gloom and the morning star arises in your hearts.

and I will give him the Morning Star.

“I, Jesus, have sent My angel to testify to you and to give you assurance of these things for the churches. I am the Root (the Source, the Life) and the Offspring of David, the radiant and bright Morning Star.”