Matthew 2:10

when they observ'd this of the star, they were extreamly well pleas'd.

Luke 2:10

but the angel said to them, be not afraid, I am only come to bring you great news, which will be matter of joy to you and to the whole world.

Luke 2:20

glorifying and praising God, for having heard and seen every thing exactly as the angel inform'd them.

Romans 15:9-13

and you Gentiles ought to glorify God for his mercy; as it is written, "for this cause I will confess to thee among the Gentiles, and sing unto thy name ."

Acts 13:46-48

but Paul and Barnabas told them boldly, you indeed were the first, to whom the word of God was to be preach'd: but since you reject it, and judge your own selves unworthy of eternal life, be assur'd, we shall make the same offer to the Gentiles:

Treasury of Scripture Knowledge

Summary

When they saw the star, they rejoiced with exceeding great joy.

Bible References

They rejoiced

Luke 2:10
but the angel said to them, be not afraid, I am only come to bring you great news, which will be matter of joy to you and to the whole world.
Acts 13:46
but Paul and Barnabas told them boldly, you indeed were the first, to whom the word of God was to be preach'd: but since you reject it, and judge your own selves unworthy of eternal life, be assur'd, we shall make the same offer to the Gentiles:
Romans 15:9
and you Gentiles ought to glorify God for his mercy; as it is written, "for this cause I will confess to thee among the Gentiles, and sing unto thy name ."